mirror of
https://github.com/tanema/light_world.lua.git
synced 2024-12-24 20:24:19 +00:00
making it work better with a camera, now working on scaling, finally after a week or working to get here
This commit is contained in:
parent
45be0c56fa
commit
8aacf0f69c
@ -1,8 +1,12 @@
|
|||||||
-- Example: Short Example
|
-- Example: Short Example
|
||||||
require "lib/postshader"
|
require "lib/postshader"
|
||||||
|
|
||||||
|
local gamera = require "vendor/gamera"
|
||||||
local LightWorld = require "lib/light_world"
|
local LightWorld = require "lib/light_world"
|
||||||
|
|
||||||
function love.load()
|
function love.load()
|
||||||
|
scale = 1
|
||||||
|
camera = gamera.new(0,0,2000,2000)
|
||||||
-- load images
|
-- load images
|
||||||
image = love.graphics.newImage("gfx/machine2.png")
|
image = love.graphics.newImage("gfx/machine2.png")
|
||||||
image_normal = love.graphics.newImage("gfx/cone_normal.png")
|
image_normal = love.graphics.newImage("gfx/cone_normal.png")
|
||||||
@ -43,43 +47,47 @@ end
|
|||||||
|
|
||||||
function love.update(dt)
|
function love.update(dt)
|
||||||
love.window.setTitle("Light vs. Shadow Engine (FPS:" .. love.timer.getFPS() .. ")")
|
love.window.setTitle("Light vs. Shadow Engine (FPS:" .. love.timer.getFPS() .. ")")
|
||||||
lightMouse:setPosition(love.mouse.getX(), love.mouse.getY())
|
|
||||||
|
local x, y = camera:getPosition()
|
||||||
|
if love.keyboard.isDown("up") then
|
||||||
|
y = y - dt * 200
|
||||||
|
elseif love.keyboard.isDown("down") then
|
||||||
|
y = y + dt * 200
|
||||||
|
end
|
||||||
|
|
||||||
|
if love.keyboard.isDown("left") then
|
||||||
|
x = x - dt * 200
|
||||||
|
elseif love.keyboard.isDown("right") then
|
||||||
|
x = x + dt * 200
|
||||||
|
end
|
||||||
|
|
||||||
|
if love.keyboard.isDown("-") then
|
||||||
|
scale = scale - 0.01
|
||||||
|
elseif love.keyboard.isDown("=") then
|
||||||
|
scale = scale + 0.01
|
||||||
|
end
|
||||||
|
|
||||||
|
camera:setPosition(x, y)
|
||||||
|
camera:setScale(scale)
|
||||||
|
lightMouse:setPosition(camera:toWorld(love.mouse.getX(), love.mouse.getY()))
|
||||||
end
|
end
|
||||||
|
|
||||||
function love.draw()
|
function love.draw()
|
||||||
love.postshader.setBuffer("render")
|
--camera:setScale(scale)
|
||||||
|
camera:draw(function(l,t,w,h)
|
||||||
-- draw background
|
love.graphics.setColor(255, 255, 255)
|
||||||
love.graphics.setColor(255, 255, 255)
|
love.graphics.rectangle("fill", 0, 0, 2000, 2000)
|
||||||
love.graphics.rectangle("fill", 0, 0, love.graphics.getWidth(), love.graphics.getHeight())
|
lightWorld:drawShadow(l,t,w,h)
|
||||||
--love.graphics.draw(imgFloor, quadScreen, 0, 0)
|
love.graphics.setColor(63, 255, 127)
|
||||||
|
love.graphics.circle("fill", circleTest:getX(), circleTest:getY(), circleTest:getRadius())
|
||||||
|
love.graphics.polygon("fill", rectangleTest:getPoints())
|
||||||
|
love.graphics.setColor(255, 255, 255)
|
||||||
|
love.graphics.draw(image, 64 - image:getWidth() * 0.5, 64 - image:getHeight() * 0.5)
|
||||||
|
|
||||||
-- draw lightmap shadows
|
lightWorld:drawShine(l,t,w,h)
|
||||||
lightWorld:drawShadow()
|
lightWorld:drawPixelShadow(l,t,w,h)
|
||||||
|
lightWorld:drawGlow(l,t,w,h)
|
||||||
-- draw scene objects
|
lightWorld:drawRefraction(l,t,w,h)
|
||||||
love.graphics.setColor(63, 255, 127)
|
lightWorld:drawReflection(l,t,w,h)
|
||||||
love.graphics.circle("fill", circleTest:getX(), circleTest:getY(), circleTest:getRadius())
|
end)
|
||||||
love.graphics.polygon("fill", rectangleTest:getPoints())
|
|
||||||
love.graphics.setColor(255, 255, 255)
|
|
||||||
love.graphics.draw(image, 64 - image:getWidth() * 0.5, 64 - image:getHeight() * 0.5)
|
|
||||||
|
|
||||||
--love.graphics.rectangle("fill", 128 - 32, 128 - 32, 64, 64)
|
|
||||||
|
|
||||||
-- draw lightmap shine
|
|
||||||
lightWorld:drawShine()
|
|
||||||
|
|
||||||
-- draw pixel shadow
|
|
||||||
lightWorld:drawPixelShadow()
|
|
||||||
|
|
||||||
-- draw glow
|
|
||||||
lightWorld:drawGlow()
|
|
||||||
|
|
||||||
-- draw refraction
|
|
||||||
lightWorld:drawRefraction()
|
|
||||||
|
|
||||||
-- draw reflection
|
|
||||||
lightWorld:drawReflection()
|
|
||||||
|
|
||||||
love.postshader.draw()
|
|
||||||
end
|
end
|
||||||
|
34
lib/body.lua
34
lib/body.lua
@ -546,7 +546,7 @@ function body:setShadowType(type, ...)
|
|||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
function body:drawShadow(light)
|
function body:drawShadow(light, l,t,w,h)
|
||||||
if self.alpha < 1.0 then
|
if self.alpha < 1.0 then
|
||||||
love.graphics.setBlendMode("multiplicative")
|
love.graphics.setBlendMode("multiplicative")
|
||||||
love.graphics.setColor(self.red, self.green, self.blue)
|
love.graphics.setColor(self.red, self.green, self.blue)
|
||||||
@ -572,24 +572,25 @@ function body:drawShadow(light)
|
|||||||
}
|
}
|
||||||
|
|
||||||
self.shadowMesh:setVertices(self.shadowVert)
|
self.shadowMesh:setVertices(self.shadowVert)
|
||||||
love.graphics.draw(self.shadowMesh, self.x - self.ox + self.world.translate_x, self.y - self.oy + self.world.translate_y)
|
love.graphics.draw(self.shadowMesh, self.x - self.ox + l, self.y - self.oy + t)
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
function body:drawPixelShadow()
|
function body:drawPixelShadow(l,t,w,h)
|
||||||
if self.type == "image" and self.normalMesh then
|
if self.type == "image" and self.normalMesh then
|
||||||
love.graphics.setColor(255, 255, 255)
|
love.graphics.setColor(255, 255, 255)
|
||||||
love.graphics.draw(self.normalMesh, self.x - self.nx + self.world.translate_x, self.y - self.ny + self.world.translate_y)
|
love.graphics.draw(self.normalMesh, self.x - self.nx, self.y - self.ny)
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
function body:drawGlow()
|
function body:drawGlow(l,t,w,h)
|
||||||
if self.glowStrength > 0.0 then
|
if self.glowStrength > 0.0 then
|
||||||
love.graphics.setColor(self.glowRed * self.glowStrength, self.glowGreen * self.glowStrength, self.glowBlue * self.glowStrength)
|
love.graphics.setColor(self.glowRed * self.glowStrength, self.glowGreen * self.glowStrength, self.glowBlue * self.glowStrength)
|
||||||
else
|
else
|
||||||
love.graphics.setColor(0, 0, 0)
|
love.graphics.setColor(0, 0, 0)
|
||||||
end
|
end
|
||||||
|
|
||||||
|
--glow has no translation compensation?!
|
||||||
if self.type == "circle" then
|
if self.type == "circle" then
|
||||||
love.graphics.circle("fill", self.x, self.y, self.radius)
|
love.graphics.circle("fill", self.x, self.y, self.radius)
|
||||||
elseif self.type == "rectangle" then
|
elseif self.type == "rectangle" then
|
||||||
@ -606,25 +607,26 @@ function body:drawGlow()
|
|||||||
love.graphics.setShader()
|
love.graphics.setShader()
|
||||||
love.graphics.setColor(0, 0, 0)
|
love.graphics.setColor(0, 0, 0)
|
||||||
end
|
end
|
||||||
love.graphics.draw(self.img, self.x - self.ix + self.world.translate_x, self.y - self.iy + self.world.translate_y)
|
love.graphics.draw(self.img, self.x - self.ix, self.y - self.iy)
|
||||||
end
|
end
|
||||||
|
|
||||||
love.graphics.setShader()
|
love.graphics.setShader()
|
||||||
end
|
end
|
||||||
|
|
||||||
function body:drawRefraction()
|
function body:drawRefraction(l,t,w,h)
|
||||||
if self.refraction and self.normal then
|
if self.refraction and self.normal then
|
||||||
love.graphics.setColor(255, 255, 255)
|
love.graphics.setColor(255, 255, 255)
|
||||||
if self.tileX == 0.0 and self.tileY == 0.0 then
|
if self.tileX == 0.0 and self.tileY == 0.0 then
|
||||||
love.graphics.draw(normal, self.x - self.nx + self.world.translate_x, self.y - self.ny + self.world.translate_y)
|
love.graphics.draw(normal, self.x - self.nx + l, self.y - self.ny + t)
|
||||||
else
|
else
|
||||||
self.normalMesh:setVertices(self.normalVert)
|
self.normalMesh:setVertices(self.normalVert)
|
||||||
love.graphics.draw(self.normalMesh, self.x - self.nx + self.world.translate_x, self.y - self.ny + self.world.translate_y)
|
love.graphics.draw(self.normalMesh, self.x - self.nx + l, self.y - self.ny + t)
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
love.graphics.setColor(0, 0, 0)
|
love.graphics.setColor(0, 0, 0)
|
||||||
|
|
||||||
|
-- no translation compensation again?
|
||||||
if not self.refractive then
|
if not self.refractive then
|
||||||
if self.type == "circle" then
|
if self.type == "circle" then
|
||||||
love.graphics.circle("fill", self.x, self.y, self.radius)
|
love.graphics.circle("fill", self.x, self.y, self.radius)
|
||||||
@ -633,32 +635,32 @@ function body:drawRefraction()
|
|||||||
elseif self.type == "polygon" then
|
elseif self.type == "polygon" then
|
||||||
love.graphics.polygon("fill", unpack(self.data))
|
love.graphics.polygon("fill", unpack(self.data))
|
||||||
elseif self.type == "image" and self.img then
|
elseif self.type == "image" and self.img then
|
||||||
love.graphics.draw(self.img, self.x - self.ix + self.world.translate_x, self.y - self.iy + self.world.translate_y)
|
love.graphics.draw(self.img, self.x - self.ix + l, self.y - self.iy + t)
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
function body:drawReflection()
|
function body:drawReflection(l,t,w,h)
|
||||||
if self.reflection and self.normal then
|
if self.reflection and self.normal then
|
||||||
love.graphics.setColor(255, 0, 0)
|
love.graphics.setColor(255, 0, 0)
|
||||||
self.normalMesh:setVertices(self.normalVert)
|
self.normalMesh:setVertices(self.normalVert)
|
||||||
love.graphics.draw(self.normalMesh, self.x - self.nx + self.world.translate_x, self.y - self.ny + self.world.translate_y)
|
love.graphics.draw(self.normalMesh, self.x - self.nx + l, self.y - self.ny + t)
|
||||||
end
|
end
|
||||||
if self.reflective and self.img then
|
if self.reflective and self.img then
|
||||||
love.graphics.setColor(0, 255, 0)
|
love.graphics.setColor(0, 255, 0)
|
||||||
love.graphics.draw(self.img, self.x - self.ix + self.world.translate_x, self.y - self.iy + self.world.translate_y)
|
love.graphics.draw(self.img, self.x - self.ix + l, self.y - self.iy + t)
|
||||||
elseif not self.reflection and self.img then
|
elseif not self.reflection and self.img then
|
||||||
love.graphics.setColor(0, 0, 0)
|
love.graphics.setColor(0, 0, 0)
|
||||||
love.graphics.draw(self.img, self.x - self.ix + self.world.translate_x, self.y - self.iy + self.world.translate_y)
|
love.graphics.draw(self.img, self.x - self.ix + l, self.y - self.iy + t)
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
function body:drawMaterial()
|
function body:drawMaterial(l,t,w,h)
|
||||||
if self.material and self.normal then
|
if self.material and self.normal then
|
||||||
love.graphics.setShader(self.materialShader)
|
love.graphics.setShader(self.materialShader)
|
||||||
love.graphics.setColor(255, 255, 255)
|
love.graphics.setColor(255, 255, 255)
|
||||||
self.materialShader:send("material", self.material)
|
self.materialShader:send("material", self.material)
|
||||||
love.graphics.draw(self.normal, self.x - self.nx + self.world.translate_x, self.y - self.ny + self.world.translate_y)
|
love.graphics.draw(self.normal, self.x - self.nx + l, self.y - self.ny + t)
|
||||||
love.graphics.setShader()
|
love.graphics.setShader()
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
@ -118,13 +118,11 @@ function light:setGlowStrength(strength)
|
|||||||
self.glowStrength = strength
|
self.glowStrength = strength
|
||||||
end
|
end
|
||||||
|
|
||||||
function light:updateShadow()
|
function light:updateShadow(l,t,w,h)
|
||||||
love.graphics.setShader(self.shader)
|
love.graphics.setShader(self.shader)
|
||||||
if self.x + self.range > self.world.translate_x and self.x - self.range < love.graphics.getWidth() + self.world.translate_x
|
if self.x + self.range > l and self.x - self.range < (l+w) and self.y + self.range > t and self.y - self.range < (t+h) then
|
||||||
and self.y + self.range > self.world.translate_y and self.y - self.range < love.graphics.getHeight() + self.world.translate_y
|
local lightposrange = {self.x, h - self.y, self.range}
|
||||||
then
|
self.shader:send("lightPosition", {self.x - l, h - (self.y - t), self.z})
|
||||||
local lightposrange = {self.x, love.graphics.getHeight() - self.y, self.range}
|
|
||||||
self.shader:send("lightPosition", {self.x - self.world.translate_x, love.graphics.getHeight() - (self.y - self.world.translate_y), self.z})
|
|
||||||
self.shader:send("lightRange", self.range)
|
self.shader:send("lightRange", self.range)
|
||||||
self.shader:send("lightColor", {self.red / 255.0, self.green / 255.0, self.blue / 255.0})
|
self.shader:send("lightColor", {self.red / 255.0, self.green / 255.0, self.blue / 255.0})
|
||||||
self.shader:send("lightSmooth", self.smooth)
|
self.shader:send("lightSmooth", self.smooth)
|
||||||
@ -141,8 +139,7 @@ function light:updateShadow()
|
|||||||
-- draw shadow
|
-- draw shadow
|
||||||
love.graphics.setInvertedStencil(stencils.shadow(shadow_geometry, self.world.body))
|
love.graphics.setInvertedStencil(stencils.shadow(shadow_geometry, self.world.body))
|
||||||
love.graphics.setBlendMode("additive")
|
love.graphics.setBlendMode("additive")
|
||||||
-- FIND THIS TOOOO
|
love.graphics.rectangle("fill", l,t,w,h)
|
||||||
love.graphics.rectangle("fill", self.world.translate_x, self.world.translate_y, love.graphics.getWidth(), love.graphics.getHeight())
|
|
||||||
|
|
||||||
-- draw color shadows
|
-- draw color shadows
|
||||||
love.graphics.setBlendMode("multiplicative")
|
love.graphics.setBlendMode("multiplicative")
|
||||||
@ -159,7 +156,7 @@ function light:updateShadow()
|
|||||||
end
|
end
|
||||||
|
|
||||||
for k = 1, #self.world.body do
|
for k = 1, #self.world.body do
|
||||||
self.world.body[k]:drawShadow(self)
|
self.world.body[k]:drawShadow(self, l,t,w,h)
|
||||||
end
|
end
|
||||||
|
|
||||||
love.graphics.setShader(self.shader)
|
love.graphics.setShader(self.shader)
|
||||||
@ -170,7 +167,7 @@ function light:updateShadow()
|
|||||||
love.graphics.setBlendMode("alpha")
|
love.graphics.setBlendMode("alpha")
|
||||||
love.graphics.setStencil(stencils.poly(self.world.body))
|
love.graphics.setStencil(stencils.poly(self.world.body))
|
||||||
-- WHOA THIS MAY BE THE ISSUE HERE FIND THIS!
|
-- WHOA THIS MAY BE THE ISSUE HERE FIND THIS!
|
||||||
love.graphics.rectangle("fill", self.world.translate_x, self.world.translate_y, love.graphics.getWidth(), love.graphics.getHeight())
|
love.graphics.rectangle("fill", l,t,w,h)
|
||||||
|
|
||||||
self.visible = true
|
self.visible = true
|
||||||
else
|
else
|
||||||
@ -179,15 +176,15 @@ function light:updateShadow()
|
|||||||
love.graphics.setShader()
|
love.graphics.setShader()
|
||||||
end
|
end
|
||||||
|
|
||||||
function light:drawShadow()
|
function light:drawShadow(l,t,w,h)
|
||||||
if self.visible then
|
if self.visible then
|
||||||
love.graphics.draw(self.shadow, self.world.translate_x, self.world.translate_y)
|
love.graphics.draw(self.shadow, l, t)
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
function light:drawShine()
|
function light:drawShine(l,t,w,h)
|
||||||
if self.visible then
|
if self.visible then
|
||||||
love.graphics.draw(self.shine, self.world.translate_x, self.world.translate_y)
|
love.graphics.draw(self.shine, l, t)
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
@ -303,28 +300,28 @@ function light:calculateCircleShadow(circle)
|
|||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
function light:drawPixelShadow()
|
function light:drawPixelShadow(l,t,w,h)
|
||||||
if self.visible then
|
if self.visible then
|
||||||
if self.normalInvert then
|
if self.normalInvert then
|
||||||
self.normalInvertShader:send('screenResolution', {love.graphics.getWidth(), love.graphics.getHeight()})
|
self.normalInvertShader:send('screenResolution', {w, h})
|
||||||
self.normalInvertShader:send('lightColor', {self.red / 255.0, self.green / 255.0, self.blue / 255.0})
|
self.normalInvertShader:send('lightColor', {self.red / 255.0, self.green / 255.0, self.blue / 255.0})
|
||||||
self.normalInvertShader:send('lightPosition',{self.x, love.graphics.getHeight() - self.y, self.z / 255.0})
|
self.normalInvertShader:send('lightPosition',{self.x, lh - self.y, self.z / 255.0})
|
||||||
self.normalInvertShader:send('lightRange',{self.range})
|
self.normalInvertShader:send('lightRange',{self.range})
|
||||||
self.normalInvertShader:send("lightSmooth", self.smooth)
|
self.normalInvertShader:send("lightSmooth", self.smooth)
|
||||||
self.normalInvertShader:send("lightAngle", math.pi - self.angle / 2.0)
|
self.normalInvertShader:send("lightAngle", math.pi - self.angle / 2.0)
|
||||||
self.normalInvertShader:send("lightDirection", self.direction)
|
self.normalInvertShader:send("lightDirection", self.direction)
|
||||||
love.graphics.setShader(self.normalInvertShader)
|
love.graphics.setShader(self.normalInvertShader)
|
||||||
else
|
else
|
||||||
self.normalShader:send('screenResolution', {love.graphics.getWidth(), love.graphics.getHeight()})
|
self.normalShader:send('screenResolution', {w, h})
|
||||||
self.normalShader:send('lightColor', {self.red / 255.0, self.green / 255.0, self.blue / 255.0})
|
self.normalShader:send('lightColor', {self.red / 255.0, self.green / 255.0, self.blue / 255.0})
|
||||||
self.normalShader:send('lightPosition',{self.x, love.graphics.getHeight() - self.y, self.z / 255.0})
|
self.normalShader:send('lightPosition',{self.x, h - self.y, self.z / 255.0})
|
||||||
self.normalShader:send('lightRange',{self.range})
|
self.normalShader:send('lightRange',{self.range})
|
||||||
self.normalShader:send("lightSmooth", self.smooth)
|
self.normalShader:send("lightSmooth", self.smooth)
|
||||||
self.normalShader:send("lightAngle", math.pi - self.angle / 2.0)
|
self.normalShader:send("lightAngle", math.pi - self.angle / 2.0)
|
||||||
self.normalShader:send("lightDirection", self.direction)
|
self.normalShader:send("lightDirection", self.direction)
|
||||||
love.graphics.setShader(self.normalShader)
|
love.graphics.setShader(self.normalShader)
|
||||||
end
|
end
|
||||||
love.graphics.draw(self.world.normalMap, self.world.translate_x, self.world.translate_y)
|
love.graphics.draw(self.world.normalMap, l, t)
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
|
@ -40,8 +40,7 @@ light_world.refractionShader:send("screen", {love.window.getWidth(), love.window
|
|||||||
light_world.reflectionShader:send("screen", {love.window.getWidth(), love.window.getHeight()})
|
light_world.reflectionShader:send("screen", {love.window.getWidth(), love.window.getHeight()})
|
||||||
|
|
||||||
function light_world:init()
|
function light_world:init()
|
||||||
self.translate_x = 0
|
self.scale = 1
|
||||||
self.translate_y = 0
|
|
||||||
self.last_buffer = nil
|
self.last_buffer = nil
|
||||||
|
|
||||||
self.lights = {}
|
self.lights = {}
|
||||||
@ -60,15 +59,14 @@ function light_world:init()
|
|||||||
self:refreshScreenSize()
|
self:refreshScreenSize()
|
||||||
end
|
end
|
||||||
|
|
||||||
function light_world:updateShadows()
|
function light_world:updateShadows(l,t,w,h)
|
||||||
if not self.isShadows and not self.isLight then
|
if not self.isShadows and not self.isLight then
|
||||||
return
|
return
|
||||||
end
|
end
|
||||||
|
|
||||||
self.last_buffer = love.graphics.getCanvas()
|
self.last_buffer = love.graphics.getCanvas()
|
||||||
|
|
||||||
for i = 1, #self.lights do
|
for i = 1, #self.lights do
|
||||||
self.lights[i]:updateShadow()
|
self.lights[i]:updateShadow(l,t,w,h)
|
||||||
end
|
end
|
||||||
|
|
||||||
-- update shadow
|
-- update shadow
|
||||||
@ -76,29 +74,33 @@ function light_world:updateShadows()
|
|||||||
love.graphics.setStencil()
|
love.graphics.setStencil()
|
||||||
love.graphics.setColor(unpack(self.ambient))
|
love.graphics.setColor(unpack(self.ambient))
|
||||||
love.graphics.setBlendMode("alpha")
|
love.graphics.setBlendMode("alpha")
|
||||||
love.graphics.rectangle("fill", self.translate_x, self.translate_y, love.graphics.getWidth(), love.graphics.getHeight())
|
love.graphics.rectangle("fill", l, t, w, h)
|
||||||
love.graphics.setColor(255, 255, 255)
|
love.graphics.setColor(255, 255, 255)
|
||||||
love.graphics.setBlendMode("additive")
|
love.graphics.setBlendMode("additive")
|
||||||
|
|
||||||
for i = 1, #self.lights do
|
for i = 1, #self.lights do
|
||||||
self.lights[i]:drawShadow()
|
self.lights[i]:drawShadow(l,t,w,h)
|
||||||
end
|
|
||||||
|
|
||||||
-- update shine
|
|
||||||
love.graphics.setCanvas(self.shine)
|
|
||||||
love.graphics.setColor(unpack(self.ambient))
|
|
||||||
love.graphics.setBlendMode("alpha")
|
|
||||||
love.graphics.rectangle("fill", self.translate_x, self.translate_y, love.graphics.getWidth(), love.graphics.getHeight())
|
|
||||||
love.graphics.setColor(255, 255, 255)
|
|
||||||
love.graphics.setBlendMode("additive")
|
|
||||||
|
|
||||||
for i = 1, #self.lights do
|
|
||||||
self.lights[i]:drawShine()
|
|
||||||
end
|
end
|
||||||
love.graphics.setCanvas(self.last_buffer)
|
love.graphics.setCanvas(self.last_buffer)
|
||||||
end
|
end
|
||||||
|
|
||||||
function light_world:updatePixelShadows()
|
function light_world:updateShine(l,t,w,h)
|
||||||
|
self.last_buffer = love.graphics.getCanvas()
|
||||||
|
-- update shine
|
||||||
|
love.graphics.setCanvas(self.shine)
|
||||||
|
love.graphics.setColor(unpack(self.ambient))
|
||||||
|
love.graphics.setBlendMode("alpha")
|
||||||
|
love.graphics.rectangle("fill", l, t, w, h)
|
||||||
|
love.graphics.setColor(255, 255, 255)
|
||||||
|
love.graphics.setBlendMode("additive")
|
||||||
|
|
||||||
|
for i = 1, #self.lights do
|
||||||
|
self.lights[i]:drawShine(l,t,w,h)
|
||||||
|
end
|
||||||
|
love.graphics.setCanvas(self.last_buffer)
|
||||||
|
end
|
||||||
|
|
||||||
|
function light_world:updatePixelShadows(l,t,w,h)
|
||||||
if not self.isPixelShadows then
|
if not self.isPixelShadows then
|
||||||
return
|
return
|
||||||
end
|
end
|
||||||
@ -112,7 +114,7 @@ function light_world:updatePixelShadows()
|
|||||||
love.graphics.setShader()
|
love.graphics.setShader()
|
||||||
love.graphics.setCanvas(self.normalMap)
|
love.graphics.setCanvas(self.normalMap)
|
||||||
for i = 1, #self.body do
|
for i = 1, #self.body do
|
||||||
self.body[i]:drawPixelShadow()
|
self.body[i]:drawPixelShadow(l,t,w,h)
|
||||||
end
|
end
|
||||||
love.graphics.setColor(255, 255, 255)
|
love.graphics.setColor(255, 255, 255)
|
||||||
love.graphics.setBlendMode("alpha")
|
love.graphics.setBlendMode("alpha")
|
||||||
@ -123,23 +125,23 @@ function light_world:updatePixelShadows()
|
|||||||
love.graphics.setShader(self.shader2)
|
love.graphics.setShader(self.shader2)
|
||||||
|
|
||||||
for i = 1, #self.lights do
|
for i = 1, #self.lights do
|
||||||
self.lights[i]:drawPixelShadow()
|
self.lights[i]:drawPixelShadow(l,t,w,h)
|
||||||
end
|
end
|
||||||
|
|
||||||
love.graphics.setShader()
|
love.graphics.setShader()
|
||||||
self.pixelShadow:clear(255, 255, 255)
|
self.pixelShadow:clear(255, 255, 255)
|
||||||
love.graphics.setCanvas(self.pixelShadow)
|
love.graphics.setCanvas(self.pixelShadow)
|
||||||
love.graphics.setBlendMode("alpha")
|
love.graphics.setBlendMode("alpha")
|
||||||
love.graphics.draw(self.pixelShadow2, self.translate_x, self.translate_y)
|
love.graphics.draw(self.pixelShadow2, l,t)
|
||||||
love.graphics.setBlendMode("additive")
|
love.graphics.setBlendMode("additive")
|
||||||
love.graphics.setColor({self.ambient[1], self.ambient[2], self.ambient[3]})
|
love.graphics.setColor({self.ambient[1], self.ambient[2], self.ambient[3]})
|
||||||
love.graphics.rectangle("fill", self.translate_x, self.translate_y, love.graphics.getWidth(), love.graphics.getHeight())
|
love.graphics.rectangle("fill", l,t,w,h)
|
||||||
love.graphics.setBlendMode("alpha")
|
love.graphics.setBlendMode("alpha")
|
||||||
|
|
||||||
love.graphics.setCanvas(self.last_buffer)
|
love.graphics.setCanvas(self.last_buffer)
|
||||||
end
|
end
|
||||||
|
|
||||||
function light_world:updateGlow()
|
function light_world:updateGlow(l,t,w,h)
|
||||||
if not self.isGlow then
|
if not self.isGlow then
|
||||||
return
|
return
|
||||||
end
|
end
|
||||||
@ -162,12 +164,12 @@ function light_world:updateGlow()
|
|||||||
end
|
end
|
||||||
|
|
||||||
for i = 1, #self.body do
|
for i = 1, #self.body do
|
||||||
self.body[i]:drawGlow()
|
self.body[i]:drawGlow(l,t,w,h)
|
||||||
end
|
end
|
||||||
love.graphics.setCanvas(self.last_buffer)
|
love.graphics.setCanvas(self.last_buffer)
|
||||||
end
|
end
|
||||||
|
|
||||||
function light_world:updateRefraction()
|
function light_world:updateRefraction(l,t,w,h)
|
||||||
if not self.isRefraction then
|
if not self.isRefraction then
|
||||||
return
|
return
|
||||||
end
|
end
|
||||||
@ -178,12 +180,12 @@ function light_world:updateRefraction()
|
|||||||
self.refractionMap:clear()
|
self.refractionMap:clear()
|
||||||
love.graphics.setCanvas(self.refractionMap)
|
love.graphics.setCanvas(self.refractionMap)
|
||||||
for i = 1, #self.body do
|
for i = 1, #self.body do
|
||||||
self.body[i]:drawRefraction()
|
self.body[i]:drawRefraction(l,t,w,h)
|
||||||
end
|
end
|
||||||
love.graphics.setCanvas(self.last_buffer)
|
love.graphics.setCanvas(self.last_buffer)
|
||||||
end
|
end
|
||||||
|
|
||||||
function light_world:updateRelfection()
|
function light_world:updateRelfection(l,t,w,h)
|
||||||
if not self.isReflection then
|
if not self.isReflection then
|
||||||
return
|
return
|
||||||
end
|
end
|
||||||
@ -193,7 +195,7 @@ function light_world:updateRelfection()
|
|||||||
self.reflectionMap:clear(0, 0, 0)
|
self.reflectionMap:clear(0, 0, 0)
|
||||||
love.graphics.setCanvas(self.reflectionMap)
|
love.graphics.setCanvas(self.reflectionMap)
|
||||||
for i = 1, #self.body do
|
for i = 1, #self.body do
|
||||||
self.body[i]:drawReflection()
|
self.body[i]:drawReflection(l,t,w,h)
|
||||||
end
|
end
|
||||||
love.graphics.setCanvas(self.last_buffer)
|
love.graphics.setCanvas(self.last_buffer)
|
||||||
end
|
end
|
||||||
@ -214,13 +216,19 @@ function light_world:refreshScreenSize()
|
|||||||
self.reflectionMap2 = love.graphics.newCanvas()
|
self.reflectionMap2 = love.graphics.newCanvas()
|
||||||
end
|
end
|
||||||
|
|
||||||
|
function light_world.clampScreen(l,t,w,h)
|
||||||
|
return (l or 0), (t or 0), (w or love.graphics.getWidth()), (h or love.graphics.getHeight())
|
||||||
|
end
|
||||||
|
|
||||||
-- draw shadow
|
-- draw shadow
|
||||||
function light_world:drawShadow()
|
function light_world:drawShadow(l,t,w,h)
|
||||||
if not self.isShadows and not self.isLight then
|
if not self.isShadows and not self.isLight then
|
||||||
return
|
return
|
||||||
end
|
end
|
||||||
|
|
||||||
self:updateShadows()
|
l,t,w,h = self.clampScreen(l,t,w,h)
|
||||||
|
|
||||||
|
self:updateShadows(l,t,w,h)
|
||||||
love.graphics.setColor(255, 255, 255)
|
love.graphics.setColor(255, 255, 255)
|
||||||
if self.blur then
|
if self.blur then
|
||||||
self.last_buffer = love.graphics.getCanvas()
|
self.last_buffer = love.graphics.getCanvas()
|
||||||
@ -229,28 +237,32 @@ function light_world:drawShadow()
|
|||||||
love.graphics.setBlendMode("alpha")
|
love.graphics.setBlendMode("alpha")
|
||||||
love.graphics.setCanvas(self.shadow2)
|
love.graphics.setCanvas(self.shadow2)
|
||||||
love.graphics.setShader(self.blurv)
|
love.graphics.setShader(self.blurv)
|
||||||
love.graphics.draw(self.shadow, self.translate_x, self.translate_y)
|
love.graphics.draw(self.shadow, l, t)
|
||||||
love.graphics.setCanvas(self.shadow)
|
love.graphics.setCanvas(self.shadow)
|
||||||
love.graphics.setShader(self.blurh)
|
love.graphics.setShader(self.blurh)
|
||||||
love.graphics.draw(self.shadow2, self.translate_x, self.translate_y)
|
love.graphics.draw(self.shadow2, l, t)
|
||||||
love.graphics.setCanvas(self.last_buffer)
|
love.graphics.setCanvas(self.last_buffer)
|
||||||
love.graphics.setBlendMode("multiplicative")
|
love.graphics.setBlendMode("multiplicative")
|
||||||
love.graphics.setShader()
|
love.graphics.setShader()
|
||||||
love.graphics.draw(self.shadow, self.translate_x, self.translate_y)
|
love.graphics.draw(self.shadow, l, t)
|
||||||
love.graphics.setBlendMode("alpha")
|
love.graphics.setBlendMode("alpha")
|
||||||
else
|
else
|
||||||
love.graphics.setBlendMode("multiplicative")
|
love.graphics.setBlendMode("multiplicative")
|
||||||
love.graphics.setShader()
|
love.graphics.setShader()
|
||||||
love.graphics.draw(self.shadow, self.translate_x, self.translate_y)
|
love.graphics.draw(self.shadow, l, t)
|
||||||
love.graphics.setBlendMode("alpha")
|
love.graphics.setBlendMode("alpha")
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
-- draw shine
|
-- draw shine
|
||||||
function light_world:drawShine()
|
function light_world:drawShine(l,t,w,h)
|
||||||
if not self.isShadows then
|
if not self.isShadows then
|
||||||
return
|
return
|
||||||
end
|
end
|
||||||
|
|
||||||
|
l,t,w,h = self.clampScreen(l,t,w,h)
|
||||||
|
|
||||||
|
self:updateShine(l,t,w,h)
|
||||||
love.graphics.setColor(255, 255, 255)
|
love.graphics.setColor(255, 255, 255)
|
||||||
if self.blur and false then
|
if self.blur and false then
|
||||||
self.last_buffer = love.graphics.getCanvas()
|
self.last_buffer = love.graphics.getCanvas()
|
||||||
@ -259,55 +271,62 @@ function light_world:drawShine()
|
|||||||
love.graphics.setBlendMode("alpha")
|
love.graphics.setBlendMode("alpha")
|
||||||
love.graphics.setCanvas(self.shine2)
|
love.graphics.setCanvas(self.shine2)
|
||||||
love.graphics.setShader(self.blurv)
|
love.graphics.setShader(self.blurv)
|
||||||
love.graphics.draw(self.shine, self.translate_x, self.translate_y)
|
love.graphics.draw(self.shine, l, t)
|
||||||
love.graphics.setCanvas(self.shine)
|
love.graphics.setCanvas(self.shine)
|
||||||
love.graphics.setShader(self.blurh)
|
love.graphics.setShader(self.blurh)
|
||||||
love.graphics.draw(self.shine2, self.translate_x, self.translate_y)
|
love.graphics.draw(self.shine2, l, t)
|
||||||
love.graphics.setCanvas(self.last_buffer)
|
love.graphics.setCanvas(self.last_buffer)
|
||||||
love.graphics.setBlendMode("multiplicative")
|
love.graphics.setBlendMode("multiplicative")
|
||||||
love.graphics.setShader()
|
love.graphics.setShader()
|
||||||
love.graphics.draw(self.shine, self.translate_x, self.translate_y)
|
love.graphics.draw(self.shine, l, t)
|
||||||
love.graphics.setBlendMode("alpha")
|
love.graphics.setBlendMode("alpha")
|
||||||
else
|
else
|
||||||
love.graphics.setBlendMode("multiplicative")
|
love.graphics.setBlendMode("multiplicative")
|
||||||
love.graphics.setShader()
|
love.graphics.setShader()
|
||||||
love.graphics.draw(self.shine, self.translate_x, self.translate_y)
|
love.graphics.draw(self.shine, l, t)
|
||||||
love.graphics.setBlendMode("alpha")
|
love.graphics.setBlendMode("alpha")
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
-- draw pixel shadow
|
-- draw pixel shadow
|
||||||
function light_world:drawPixelShadow()
|
function light_world:drawPixelShadow(l,t,w,h)
|
||||||
if not self.isPixelShadows then
|
if not self.isPixelShadows then
|
||||||
return
|
return
|
||||||
end
|
end
|
||||||
self:updatePixelShadows()
|
|
||||||
|
l,t,w,h = self.clampScreen(l,t,w,h)
|
||||||
|
|
||||||
|
self:updatePixelShadows(l,t,w,h)
|
||||||
love.graphics.setColor(255, 255, 255)
|
love.graphics.setColor(255, 255, 255)
|
||||||
love.graphics.setBlendMode("multiplicative")
|
love.graphics.setBlendMode("multiplicative")
|
||||||
love.graphics.setShader()
|
love.graphics.setShader()
|
||||||
love.graphics.draw(self.pixelShadow, self.translate_x, self.translate_y)
|
love.graphics.draw(self.pixelShadow, l, t)
|
||||||
love.graphics.setBlendMode("alpha")
|
love.graphics.setBlendMode("alpha")
|
||||||
end
|
end
|
||||||
|
|
||||||
-- draw material
|
-- draw material
|
||||||
function light_world:drawMaterial()
|
function light_world:drawMaterial(l,t,w,h)
|
||||||
|
l,t,w,h = self.clampScreen(l,t,w,h)
|
||||||
|
|
||||||
for i = 1, #self.body do
|
for i = 1, #self.body do
|
||||||
self.body[i]:drawMaterial()
|
self.body[i]:drawMaterial(l,t,w,h)
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
-- draw glow
|
-- draw glow
|
||||||
function light_world:drawGlow()
|
function light_world:drawGlow(l,t,w,h)
|
||||||
if not self.isGlow then
|
if not self.isGlow then
|
||||||
return
|
return
|
||||||
end
|
end
|
||||||
|
|
||||||
self:updateGlow()
|
l,t,w,h = self.clampScreen(l,t,w,h)
|
||||||
|
|
||||||
|
self:updateGlow(l,t,w,h)
|
||||||
love.graphics.setColor(255, 255, 255)
|
love.graphics.setColor(255, 255, 255)
|
||||||
if self.glowBlur == 0.0 then
|
if self.glowBlur == 0.0 then
|
||||||
love.graphics.setBlendMode("additive")
|
love.graphics.setBlendMode("additive")
|
||||||
love.graphics.setShader()
|
love.graphics.setShader()
|
||||||
love.graphics.draw(self.glowMap, self.translate_x, self.translate_y)
|
love.graphics.draw(self.glowMap, l,t)
|
||||||
love.graphics.setBlendMode("alpha")
|
love.graphics.setBlendMode("alpha")
|
||||||
else
|
else
|
||||||
self.blurv:send("steps", self.glowBlur)
|
self.blurv:send("steps", self.glowBlur)
|
||||||
@ -317,57 +336,61 @@ function light_world:drawGlow()
|
|||||||
self.glowMap2:clear()
|
self.glowMap2:clear()
|
||||||
love.graphics.setCanvas(self.glowMap2)
|
love.graphics.setCanvas(self.glowMap2)
|
||||||
love.graphics.setShader(self.blurv)
|
love.graphics.setShader(self.blurv)
|
||||||
love.graphics.draw(self.glowMap, self.translate_x, self.translate_y)
|
love.graphics.draw(self.glowMap, l, t)
|
||||||
love.graphics.setCanvas(self.glowMap)
|
love.graphics.setCanvas(self.glowMap)
|
||||||
love.graphics.setShader(self.blurh)
|
love.graphics.setShader(self.blurh)
|
||||||
love.graphics.draw(self.glowMap2, self.translate_x, self.translate_y)
|
love.graphics.draw(self.glowMap2, l, t)
|
||||||
love.graphics.setCanvas(self.last_buffer)
|
love.graphics.setCanvas(self.last_buffer)
|
||||||
love.graphics.setShader()
|
love.graphics.setShader()
|
||||||
love.graphics.draw(self.glowMap, self.translate_x, self.translate_y)
|
love.graphics.draw(self.glowMap, l, t)
|
||||||
love.graphics.setBlendMode("alpha")
|
love.graphics.setBlendMode("alpha")
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
-- draw refraction
|
-- draw refraction
|
||||||
function light_world:drawRefraction()
|
function light_world:drawRefraction(l,t,w,h)
|
||||||
if not self.isRefraction then
|
if not self.isRefraction then
|
||||||
return
|
return
|
||||||
end
|
end
|
||||||
|
|
||||||
self:updateRefraction()
|
l,t,w,h = self.clampScreen(l,t,w,h)
|
||||||
|
|
||||||
|
self:updateRefraction(l,t,w,h)
|
||||||
self.last_buffer = love.graphics.getCanvas()
|
self.last_buffer = love.graphics.getCanvas()
|
||||||
if self.last_buffer then
|
if self.last_buffer then
|
||||||
love.graphics.setColor(255, 255, 255)
|
love.graphics.setColor(255, 255, 255)
|
||||||
love.graphics.setBlendMode("alpha")
|
love.graphics.setBlendMode("alpha")
|
||||||
love.graphics.setCanvas(self.refractionMap2)
|
love.graphics.setCanvas(self.refractionMap2)
|
||||||
love.graphics.draw(self.last_buffer, self.translate_x, self.translate_y)
|
love.graphics.draw(self.last_buffer, l, t)
|
||||||
love.graphics.setCanvas(self.last_buffer)
|
love.graphics.setCanvas(self.last_buffer)
|
||||||
self.refractionShader:send("backBuffer", self.refractionMap2)
|
self.refractionShader:send("backBuffer", self.refractionMap2)
|
||||||
self.refractionShader:send("refractionStrength", self.refractionStrength)
|
self.refractionShader:send("refractionStrength", self.refractionStrength)
|
||||||
love.graphics.setShader(self.refractionShader)
|
love.graphics.setShader(self.refractionShader)
|
||||||
love.graphics.draw(self.refractionMap, self.translate_x, self.translate_y)
|
love.graphics.draw(self.refractionMap, l, t)
|
||||||
love.graphics.setShader()
|
love.graphics.setShader()
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
-- draw reflection
|
-- draw reflection
|
||||||
function light_world:drawReflection()
|
function light_world:drawReflection(l,t,w,h)
|
||||||
if not self.isReflection then
|
if not self.isReflection then
|
||||||
return
|
return
|
||||||
end
|
end
|
||||||
|
|
||||||
self:updateRelfection()
|
l,t,w,h = self.clampScreen(l,t,w,h)
|
||||||
|
|
||||||
|
self:updateRelfection(l,t,w,h)
|
||||||
self.last_buffer = love.graphics.getCanvas()
|
self.last_buffer = love.graphics.getCanvas()
|
||||||
if self.last_buffer then
|
if self.last_buffer then
|
||||||
love.graphics.setColor(255, 255, 255)
|
love.graphics.setColor(255, 255, 255)
|
||||||
love.graphics.setBlendMode("alpha")
|
love.graphics.setBlendMode("alpha")
|
||||||
love.graphics.setCanvas(self.reflectionMap2)
|
love.graphics.setCanvas(self.reflectionMap2)
|
||||||
love.graphics.draw(self.last_buffer, self.translate_x, self.translate_y)
|
love.graphics.draw(self.last_buffer, l, t)
|
||||||
love.graphics.setCanvas(self.last_buffer)
|
love.graphics.setCanvas(self.last_buffer)
|
||||||
self.reflectionShader:send("backBuffer", self.reflectionMap2)
|
self.reflectionShader:send("backBuffer", self.reflectionMap2)
|
||||||
self.reflectionShader:send("reflectionStrength", self.reflectionStrength)
|
self.reflectionShader:send("reflectionStrength", self.reflectionStrength)
|
||||||
self.reflectionShader:send("reflectionVisibility", self.reflectionVisibility)
|
self.reflectionShader:send("reflectionVisibility", self.reflectionVisibility)
|
||||||
love.graphics.setShader(self.reflectionShader)
|
love.graphics.setShader(self.reflectionShader)
|
||||||
love.graphics.draw(self.reflectionMap, self.translate_x, self.translate_y)
|
love.graphics.draw(self.reflectionMap, l, t)
|
||||||
love.graphics.setShader()
|
love.graphics.setShader()
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
@ -395,12 +418,6 @@ function light_world:clearBodys()
|
|||||||
self.isReflection = false
|
self.isReflection = false
|
||||||
end
|
end
|
||||||
|
|
||||||
-- set offset
|
|
||||||
function light_world:setTranslation(translateX, translateY)
|
|
||||||
self.translate_x = translateX
|
|
||||||
self.translate_y = translateY
|
|
||||||
end
|
|
||||||
|
|
||||||
-- set ambient color
|
-- set ambient color
|
||||||
function light_world:setAmbientColor(red, green, blue)
|
function light_world:setAmbientColor(red, green, blue)
|
||||||
self.ambient = {red, green, blue}
|
self.ambient = {red, green, blue}
|
||||||
|
208
vendor/gamera.lua
vendored
Normal file
208
vendor/gamera.lua
vendored
Normal file
@ -0,0 +1,208 @@
|
|||||||
|
-- gamera.lua v1.0.1
|
||||||
|
|
||||||
|
-- Copyright (c) 2012 Enrique García Cota
|
||||||
|
-- Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
|
||||||
|
-- The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
|
||||||
|
-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||||
|
-- Based on YaciCode, from Julien Patte and LuaObject, from Sebastien Rocca-Serra
|
||||||
|
|
||||||
|
local gamera = {}
|
||||||
|
|
||||||
|
-- Private attributes and methods
|
||||||
|
|
||||||
|
local gameraMt = {__index = gamera}
|
||||||
|
local abs, min, max = math.abs, math.min, math.max
|
||||||
|
|
||||||
|
local function clamp(x, minX, maxX)
|
||||||
|
return x < minX and minX or (x>maxX and maxX or x)
|
||||||
|
end
|
||||||
|
|
||||||
|
local function checkNumber(value, name)
|
||||||
|
if type(value) ~= 'number' then
|
||||||
|
error(name .. " must be a number (was: " .. tostring(value) .. ")")
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
local function checkPositiveNumber(value, name)
|
||||||
|
if type(value) ~= 'number' or value <=0 then
|
||||||
|
error(name .. " must be a positive number (was: " .. tostring(value) ..")")
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
local function checkAABB(l,t,w,h)
|
||||||
|
checkNumber(l, "l")
|
||||||
|
checkNumber(t, "t")
|
||||||
|
checkPositiveNumber(w, "w")
|
||||||
|
checkPositiveNumber(h, "h")
|
||||||
|
end
|
||||||
|
|
||||||
|
local function getVisibleArea(self, scale)
|
||||||
|
scale = scale or self.scale
|
||||||
|
local sin, cos = abs(self.sin), abs(self.cos)
|
||||||
|
local w,h = self.w / scale, self.h / scale
|
||||||
|
w,h = cos*w + sin*h, sin*w + cos*h
|
||||||
|
return min(w,self.ww), min(h, self.wh)
|
||||||
|
end
|
||||||
|
|
||||||
|
local function cornerTransform(self, x,y)
|
||||||
|
local scale, sin, cos = self.scale, self.sin, self.cos
|
||||||
|
x,y = x - self.x, y - self.y
|
||||||
|
x,y = -cos*x + sin*y, -sin*x - cos*y
|
||||||
|
return self.x - (x/scale + self.l), self.y - (y/scale + self.t)
|
||||||
|
end
|
||||||
|
|
||||||
|
local function adjustPosition(self)
|
||||||
|
local wl,wt,ww,wh = self.wl, self.wt, self.ww, self.wh
|
||||||
|
local w,h = getVisibleArea(self)
|
||||||
|
local w2,h2 = w*0.5, h*0.5
|
||||||
|
|
||||||
|
local left, right = wl + w2, wl + ww - w2
|
||||||
|
local top, bottom = wt + h2, wt + wh - h2
|
||||||
|
|
||||||
|
self.x, self.y = clamp(self.x, left, right), clamp(self.y, top, bottom)
|
||||||
|
end
|
||||||
|
|
||||||
|
local function adjustScale(self)
|
||||||
|
local w,h,ww,wh = self.w, self.h, self.ww, self.wh
|
||||||
|
local rw,rh = getVisibleArea(self, 1) -- rotated frame: area around the window, rotated without scaling
|
||||||
|
local sx,sy = rw/ww, rh/wh -- vert/horiz scale: minimun scales that the window needs to occupy the world
|
||||||
|
local rscale = max(sx,sy)
|
||||||
|
|
||||||
|
self.scale = max(self.scale, rscale)
|
||||||
|
end
|
||||||
|
|
||||||
|
-- Public interface
|
||||||
|
|
||||||
|
function gamera.new(l,t,w,h)
|
||||||
|
|
||||||
|
local sw,sh = love.graphics.getWidth(), love.graphics.getHeight()
|
||||||
|
|
||||||
|
local cam = setmetatable({
|
||||||
|
x=0, y=0,
|
||||||
|
scale=1,
|
||||||
|
angle=0, sin=math.sin(0), cos=math.cos(0),
|
||||||
|
l=0, t=0, w=sw, h=sh, w2=sw*0.5, h2=sh*0.5
|
||||||
|
}, gameraMt)
|
||||||
|
|
||||||
|
cam:setWorld(l,t,w,h)
|
||||||
|
|
||||||
|
return cam
|
||||||
|
end
|
||||||
|
|
||||||
|
function gamera:setWorld(l,t,w,h)
|
||||||
|
checkAABB(l,t,w,h)
|
||||||
|
|
||||||
|
self.wl, self.wt, self.ww, self.wh = l,t,w,h
|
||||||
|
|
||||||
|
adjustPosition(self)
|
||||||
|
end
|
||||||
|
|
||||||
|
function gamera:setWindow(l,t,w,h)
|
||||||
|
checkAABB(l,t,w,h)
|
||||||
|
|
||||||
|
self.l, self.t, self.w, self.h, self.w2, self.h2 = l,t,w,h, w*0.5, h*0.5
|
||||||
|
|
||||||
|
adjustPosition(self)
|
||||||
|
end
|
||||||
|
|
||||||
|
function gamera:setPosition(x,y)
|
||||||
|
checkNumber(x, "x")
|
||||||
|
checkNumber(y, "y")
|
||||||
|
|
||||||
|
self.x, self.y = x,y
|
||||||
|
|
||||||
|
adjustPosition(self)
|
||||||
|
end
|
||||||
|
|
||||||
|
function gamera:setScale(scale)
|
||||||
|
checkNumber(scale, "scale")
|
||||||
|
|
||||||
|
self.scale = scale
|
||||||
|
|
||||||
|
adjustScale(self)
|
||||||
|
adjustPosition(self)
|
||||||
|
end
|
||||||
|
|
||||||
|
function gamera:setAngle(angle)
|
||||||
|
checkNumber(angle, "angle")
|
||||||
|
|
||||||
|
self.angle = angle
|
||||||
|
self.cos, self.sin = math.cos(angle), math.sin(angle)
|
||||||
|
|
||||||
|
adjustScale(self)
|
||||||
|
adjustPosition(self)
|
||||||
|
end
|
||||||
|
|
||||||
|
function gamera:getWorld()
|
||||||
|
return self.wl, self.wt, self.ww, self.wh
|
||||||
|
end
|
||||||
|
|
||||||
|
function gamera:getWindow()
|
||||||
|
return self.l, self.t, self.w, self.h
|
||||||
|
end
|
||||||
|
|
||||||
|
function gamera:getPosition()
|
||||||
|
return self.x, self.y
|
||||||
|
end
|
||||||
|
|
||||||
|
function gamera:getScale()
|
||||||
|
return self.scale
|
||||||
|
end
|
||||||
|
|
||||||
|
function gamera:getAngle()
|
||||||
|
return self.angle
|
||||||
|
end
|
||||||
|
|
||||||
|
function gamera:getVisible()
|
||||||
|
local w,h = getVisibleArea(self)
|
||||||
|
return self.x - w*0.5, self.y - h*0.5, w, h
|
||||||
|
end
|
||||||
|
|
||||||
|
function gamera:getVisibleCorners()
|
||||||
|
local x,y,w2,h2 = self.x, self.y, self.w2, self.h2
|
||||||
|
|
||||||
|
local x1,y1 = cornerTransform(self, x-w2,y-h2)
|
||||||
|
local x2,y2 = cornerTransform(self, x+w2,y-h2)
|
||||||
|
local x3,y3 = cornerTransform(self, x+w2,y+h2)
|
||||||
|
local x4,y4 = cornerTransform(self, x-w2,y+h2)
|
||||||
|
|
||||||
|
return x1,y1,x2,y2,x3,y3,x4,y4
|
||||||
|
end
|
||||||
|
|
||||||
|
function gamera:draw(f)
|
||||||
|
love.graphics.setScissor(self:getWindow())
|
||||||
|
|
||||||
|
love.graphics.push()
|
||||||
|
local scale = self.scale
|
||||||
|
love.graphics.scale(scale)
|
||||||
|
|
||||||
|
love.graphics.translate((self.w2 + self.l) / scale, (self.h2+self.t) / scale)
|
||||||
|
love.graphics.rotate(-self.angle)
|
||||||
|
love.graphics.translate(-self.x, -self.y)
|
||||||
|
|
||||||
|
f(self:getVisible())
|
||||||
|
|
||||||
|
love.graphics.pop()
|
||||||
|
|
||||||
|
love.graphics.setScissor()
|
||||||
|
end
|
||||||
|
|
||||||
|
function gamera:toWorld(x,y)
|
||||||
|
local scale, sin, cos = self.scale, self.sin, self.cos
|
||||||
|
x,y = (x - self.w2 - self.l) / scale, (y - self.h2 - self.t) / scale
|
||||||
|
x,y = cos*x - sin*y, sin*x + cos*y
|
||||||
|
return x + self.x, y + self.y
|
||||||
|
end
|
||||||
|
|
||||||
|
function gamera:toScreen(x,y)
|
||||||
|
local scale, sin, cos = self.scale, self.sin, self.cos
|
||||||
|
x,y = x - self.x, y - self.y
|
||||||
|
x,y = cos*x + sin*y, -sin*x + cos*y
|
||||||
|
return scale * x + self.w2 + self.l, scale * y + self.h2 + self.t
|
||||||
|
end
|
||||||
|
|
||||||
|
return gamera
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue
Block a user