mirror of
https://github.com/tanema/light_world.lua.git
synced 2024-12-24 20:24:19 +00:00
just cleaning up some code
This commit is contained in:
Tim Anema
parent
b759a0670a
commit
8fee299900
@ -1,3 +1,9 @@
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:todoing
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-make sure all draw calls check if the object is within range
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-add normal map to each object
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-refactor rectablges to be polygons to reduce code
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-handle polygons in a moveable way
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# light_world.lua
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This is the light modeling done by Priorblue [here](https://bitbucket.org/PriorBlue/love2d-light-and-shadow-engine),
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@ -449,7 +449,7 @@ function love.keypressed(k, u)
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if shadowBlur > 8.0 then
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shadowBlur = 0.0
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end
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lightWorld:setBlur(shadowBlur)
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lightWorld:setShadowBlur(shadowBlur)
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elseif k == "f6" or k == "b" then
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bloomOn = math.max(0.25, bloomOn * 2.0)
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if bloomOn > 1.0 then
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172
lib/init.lua
172
lib/init.lua
@ -22,15 +22,12 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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]]
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local _PACKAGE = string.gsub(...,"%.","/") or ""
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if string.len(_PACKAGE) > 0 then
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_PACKAGE = _PACKAGE .. "/"
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end
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if string.len(_PACKAGE) > 0 then _PACKAGE = _PACKAGE .. "/" end
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local class = require(_PACKAGE..'class')
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local Light = require(_PACKAGE..'light')
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local Body = require(_PACKAGE..'body')
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local util = require(_PACKAGE..'util')
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local PostShader = require(_PACKAGE..'postshader')
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require(_PACKAGE..'postshader')
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local light_world = class()
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@ -45,16 +42,12 @@ function light_world:init(options)
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self.post_shader = PostShader()
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self.l, self.t, self.s = 0, 0, 1
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self.ambient = {0, 0, 0}
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self.refractionStrength = 8.0
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self.reflectionStrength = 16.0
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self.reflectionVisibility = 1.0
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self.blur = 2.0
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self.glowBlur = 1.0
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self.glowTimer = 0.0
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self.glowDown = false
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@ -92,10 +85,6 @@ function light_world:refreshScreenSize(w, h)
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self.post_shader:refreshScreenSize(w, h)
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end
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function light_world:setTranslation(l, t, s)
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self.l, self.t, self.s = l, t, s
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end
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function light_world:draw(cb)
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util.drawto(self.render_buffer, self.l, self.t, self.s, function()
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cb( self.l,self.t,self.w,self.h,self.s)
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@ -110,9 +99,6 @@ end
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-- draw normal shading
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function light_world:drawNormalShading(l,t,w,h,s)
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if not self.isShadows then
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return
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end
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-- create normal map
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self.normalMap:clear()
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util.drawto(self.normalMap, l, t, s, function()
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@ -123,15 +109,18 @@ function light_world:drawNormalShading(l,t,w,h,s)
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self.normal2:clear()
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for i = 1, #self.lights do
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-- create shadow map for this light
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self.shadowMap:clear()
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util.drawto(self.shadowMap, l, t, s, function()
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for k = 1, #self.body do
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self.body[k]:drawShadow(self.lights[i])
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end
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end)
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-- draw scene for this light using normals and shadowmap
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self.lights[i]:drawNormalShading(l,t,w,h,s, self.normalMap, self.shadowMap, self.normal2)
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end
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-- add in ambient color
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self.normal:clear(255, 255, 255)
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util.drawCanvasToCanvas(self.normal2, self.normal, {blendmode = "alpha"})
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util.drawto(self.normal, l, t, s, function()
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@ -152,23 +141,19 @@ end
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-- draw glow
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function light_world:drawGlow(l,t,w,h,s)
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if not self.isShadows then
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return
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if self.glowDown then
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self.glowTimer = math.max(0.0, self.glowTimer - love.timer.getDelta())
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else
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self.glowTimer = math.min(self.glowTimer + love.timer.getDelta(), 1.0)
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end
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if self.glowTimer == 1.0 or self.glowTimer == 0.0 then
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self.glowDown = not self.glowDown
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end
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-- create glow map
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self.glowMap:clear(0, 0, 0)
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util.drawto(self.glowMap, l, t, s, function()
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if self.glowDown then
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self.glowTimer = math.max(0.0, self.glowTimer - love.timer.getDelta())
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else
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self.glowTimer = math.min(self.glowTimer + love.timer.getDelta(), 1.0)
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end
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if self.glowTimer == 1.0 or self.glowTimer == 0.0 then
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self.glowDown = not self.glowDown
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end
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for i = 1, #self.body do
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self.body[i]:drawGlow()
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end
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@ -183,10 +168,6 @@ function light_world:drawGlow(l,t,w,h,s)
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end
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-- draw refraction
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function light_world:drawRefraction(l,t,w,h,s)
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if not self.isRefraction then
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return
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end
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-- create refraction map
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self.refractionMap:clear()
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util.drawto(self.refractionMap, l, t, s, function()
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@ -203,10 +184,6 @@ end
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-- draw reflection
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function light_world:drawReflection(l,t,w,h,s)
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if not self.isReflection then
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return
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end
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-- create reflection map
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self.reflectionMap:clear(0, 0, 0)
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util.drawto(self.reflectionMap, l, t, s, function()
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@ -225,7 +202,6 @@ end
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-- new light
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function light_world:newLight(x, y, red, green, blue, range)
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self.lights[#self.lights + 1] = Light(x, y, red, green, blue, range)
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self.isLight = true
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return self.lights[#self.lights]
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end
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@ -234,90 +210,26 @@ function light_world:clear()
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light_world:clearBodies()
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end
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-- clear lights
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function light_world:clearLights()
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self.lights = {}
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self.isLight = false
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end
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-- clear objects
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function light_world:clearBodies()
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self.body = {}
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self.isShadows = false
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self.isRefraction = false
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self.isReflection = false
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end
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-- set ambient color
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function light_world:setAmbientColor(red, green, blue)
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self.ambient = {red, green, blue}
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end
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-- set blur
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function light_world:setBlur(blur)
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self.blur = blur
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end
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-- set blur
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function light_world:setShadowBlur(blur)
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self.blur = blur
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end
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-- set glow blur
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function light_world:setGlowStrength(strength)
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self.glowBlur = strength
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end
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-- set refraction blur
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function light_world:setRefractionStrength(strength)
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self.refractionStrength = strength
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end
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-- set reflection strength
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function light_world:setReflectionStrength(strength)
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self.reflectionStrength = strength
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end
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-- set reflection visibility
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function light_world:setReflectionVisibility(visibility)
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self.reflectionVisibility = visibility
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end
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-- new rectangle
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function light_world:newRectangle(x, y, w, h)
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self.isShadows = true
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return self:newBody("rectangle", x, y, w, h)
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end
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-- new circle
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function light_world:newCircle(x, y, r)
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self.isShadows = true
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return self:newBody("circle", x, y, r)
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end
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-- new polygon
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function light_world:newPolygon(...)
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self.isShadows = true
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return self:newBody("polygon", ...)
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end
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-- new image
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function light_world:newImage(img, x, y, width, height, ox, oy)
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self.isShadows = true
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return self:newBody("image", img, x, y, width, height, ox, oy)
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end
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-- new refraction
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function light_world:newRefraction(normal, x, y, width, height)
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self.isRefraction = true
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return self:newBody("refraction", normal, x, y, width, height)
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end
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-- new reflection
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function light_world:newReflection(normal, x, y, width, height)
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self.isReflection = true
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return self:newBody("reflection", normal, x, y, width, height)
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end
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function light_world:setScale(s) self.s = s end
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function light_world:setTranslation(l, t, s) self.l, self.t, self.s = l, t, s end
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function light_world:clearLights() self.lights = {} end
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function light_world:clearBodies() self.body = {} end
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function light_world:setAmbientColor(red, green, blue) self.ambient = {red, green, blue} end
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function light_world:setShadowBlur(blur) self.blur = blur end
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function light_world:setGlowStrength(strength) self.glowBlur = strength end
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function light_world:setRefractionStrength(strength) self.refractionStrength = strength end
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function light_world:setReflectionStrength(strength) self.reflectionStrength = strength end
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function light_world:setReflectionVisibility(visibility) self.reflectionVisibility = visibility end
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function light_world:getBodyCount() return #self.body end
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function light_world:getBody(n) return self.body[n] end
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function light_world:getLightCount() return #self.lights end
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function light_world:getLight(n) return self.lights[n] end
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function light_world:newRectangle(...) return self:newBody("rectangle", ...) end
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function light_world:newCircle(...) return self:newBody("circle", ...) end
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function light_world:newPolygon(...) return self:newBody("polygon", ...) end
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function light_world:newImage(...) return self:newBody("image", ...) end
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function light_world:newRefraction(...) return self:newBody("refraction", ...) end
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function light_world:newReflection(normal, ...) return self:newBody("reflection", ...) end
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-- new body
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function light_world:newBody(type, ...)
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@ -326,26 +238,6 @@ function light_world:newBody(type, ...)
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return self.body[#self.body]
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end
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-- get body count
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function light_world:getBodyCount()
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return #self.body
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end
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-- get light
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function light_world:getBody(n)
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return self.body[n]
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end
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-- get light count
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function light_world:getLightCount()
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return #self.lights
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end
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-- get light
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function light_world:getLight(n)
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return self.lights[n]
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end
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function light_world:remove(to_kill)
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if to_kill:is_a(Body) then
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for i = 1, #self.body do
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@ -25,8 +25,7 @@ function light:init(x, y, r, g, b, range)
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end
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function light:refresh(w, h)
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w, h = w or love.window.getWidth(), h or love.window.getHeight()
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self.shadowShader:send('screenResolution', {w, h})
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self.shadowShader:send('screenResolution', {w or love.window.getWidth(), h or love.window.getHeight()})
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end
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-- set position
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