library-mirrors/light_world.lua
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just some reformatting

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This commit is contained in:
Tim Anema 2014-11-07 09:21:41 -05:00
parent 1c5eb2c804
commit c370e9ecc2
3 changed files with 175 additions and 176 deletions
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1
lib/shaders/glow.glsl
View File

@ -1,5 +1,4 @@
extern Image glowImage; extern Image glowImage;
extern float glowTime; extern float glowTime;
vec4 effect(vec4 color, Image texture, vec2 texture_coords, vec2 pixel_coords) { vec4 effect(vec4 color, Image texture, vec2 texture_coords, vec2 pixel_coords) {

344
main.lua
View File

@ -15,32 +15,32 @@ exf.current = nil
exf.available = {} exf.available = {}
function love.load() function love.load()
exf.list = List:new() exf.list = List:new()
exf.smallfont = love.graphics.newFont(love._vera_ttf,12) exf.smallfont = love.graphics.newFont(love._vera_ttf,12)
exf.bigfont = love.graphics.newFont(love._vera_ttf, 24) exf.bigfont = love.graphics.newFont(love._vera_ttf, 24)
exf.list.font = exf.smallfont exf.list.font = exf.smallfont
exf.bigball = love.graphics.newImage("gfx/love-big-ball.png") exf.bigball = love.graphics.newImage("gfx/love-big-ball.png")
-- Find available demos. -- Find available demos.
local files = love.filesystem.getDirectoryItems("examples") local files = love.filesystem.getDirectoryItems("examples")
local n = 0 local n = 0
for i, v in ipairs(files) do for i, v in ipairs(files) do
n = n + 1 n = n + 1
table.insert(exf.available, v); table.insert(exf.available, v);
local file = love.filesystem.newFile(v, love.file_read) local file = love.filesystem.newFile(v, love.file_read)
file:open("r") file:open("r")
local contents = love.filesystem.read("examples/" .. v, 100) local contents = love.filesystem.read("examples/" .. v, 100)
local s, e, c = string.find(contents, "Example: ([%a%p ]-)[\r\n]") local s, e, c = string.find(contents, "Example: ([%a%p ]-)[\r\n]")
file:close(file) file:close(file)
if not c then c = "Untitled" end if not c then c = "Untitled" end
local title = exf.getn(n) .. " " .. c .. " (" .. v .. ")" local title = exf.getn(n) .. " " .. c .. " (" .. v .. ")"
exf.list:add(title, v) exf.list:add(title, v)
end end
exf.list:done() exf.list:done()
exf.resume() exf.resume()
end end
function love.update(dt) end function love.update(dt) end
@ -49,7 +49,6 @@ function love.keypressed(k) end
function love.keyreleased(k) end function love.keyreleased(k) end
function love.mousepressed(x, y, b) end function love.mousepressed(x, y, b) end
function love.mousereleased(x, y, b) end function love.mousereleased(x, y, b) end
function exf.empty() end function exf.empty() end
function exf.update(dt) function exf.update(dt)
@ -89,32 +88,32 @@ function exf.keyreleased(k)
end end
function exf.mousepressed(x, y, b) function exf.mousepressed(x, y, b)
exf.list:mousepressed(x, y, b) exf.list:mousepressed(x, y, b)
end end
function exf.mousereleased(x, y, b) function exf.mousereleased(x, y, b)
exf.list:mousereleased(x, y, b) exf.list:mousereleased(x, y, b)
end end
function exf.getn(n) function exf.getn(n)
local s = "" local s = ""
n = tonumber(n) n = tonumber(n)
local r = n local r = n
if r <= 0 then error("Example IDs must be bigger than 0. (Got: " .. r .. ")") end if r <= 0 then error("Example IDs must be bigger than 0. (Got: " .. r .. ")") end
if r >= 10000 then error("Example IDs must be less than 10000. (Got: " .. r .. ")") end if r >= 10000 then error("Example IDs must be less than 10000. (Got: " .. r .. ")") end
while r < 1000 do while r < 1000 do
s = s .. "0" s = s .. "0"
r = r * 10 r = r * 10
end end
s = s .. n s = s .. n
return s return s
end end
function exf.intable(t, e) function exf.intable(t, e)
for k, v in ipairs(t) do for k, v in ipairs(t) do
if v == e then return true end if v == e then return true end
end end
return false return false
end end
function exf.start(item, file) function exf.start(item, file)
@ -159,27 +158,25 @@ function exf.start(item, file)
end end
function exf.clear() function exf.clear()
love.graphics.setBackgroundColor(0,0,0) love.graphics.setBackgroundColor(0,0,0)
love.graphics.setColor(255, 255, 255) love.graphics.setColor(255, 255, 255)
love.graphics.setLineWidth(1) love.graphics.setLineWidth(1)
love.graphics.setLineStyle("smooth") love.graphics.setLineStyle("smooth")
--love.graphics.setLine(1, "smooth") love.graphics.setBlendMode("alpha")
--love.graphics.setColorMode("replace") love.mouse.setVisible(true)
love.graphics.setBlendMode("alpha")
love.mouse.setVisible(true)
end end
function exf.resume() function exf.resume()
load = nil load = nil
love.update = exf.update love.update = exf.update
love.draw = exf.draw love.draw = exf.draw
love.keypressed = exf.keypressed love.keypressed = exf.keypressed
love.keyreleased = exf.keyreleased love.keyreleased = exf.keyreleased
love.mousepressed = exf.mousepressed love.mousepressed = exf.mousepressed
love.mousereleased = exf.mousereleased love.mousereleased = exf.mousereleased
love.mouse.setVisible(true) love.mouse.setVisible(true)
love.window.setTitle("LOVE Example Browser") love.window.setTitle("LOVE Example Browser")
-- create light world -- create light world
lightWorld = LightWorld({ lightWorld = LightWorld({
@ -197,7 +194,7 @@ function exf.resume()
end end
function inside(mx, my, x, y, w, h) function inside(mx, my, x, y, w, h)
return mx >= x and mx <= (x+w) and my >= y and my <= (y+h) return mx >= x and mx <= (x+w) and my >= y and my <= (y+h)
end end
@ -208,29 +205,29 @@ end
List = {} List = {}
function List:new() function List:new()
o = {} o = {}
setmetatable(o, self) setmetatable(o, self)
self.__index = self self.__index = self
o.items = {} o.items = {}
o.files = {} o.files = {}
o.x = 50 o.x = 50
o.y = 70 o.y = 70
o.width = 400 o.width = 400
o.height = 500 o.height = 500
o.item_height = 23 o.item_height = 23
o.sum_item_height = 0 o.sum_item_height = 0
o.bar_size = 20 o.bar_size = 20
o.bar_pos = 0 o.bar_pos = 0
o.bar_max_pos = 0 o.bar_max_pos = 0
o.bar_width = 15 o.bar_width = 15
o.bar_lock = nil o.bar_lock = nil
return o return o
end end
function List:add(item, file) function List:add(item, file)
@ -239,161 +236,164 @@ function List:add(item, file)
end end
function List:done() function List:done()
self.items.n = #self.items self.items.n = #self.items
-- Recalc bar size. -- Recalc bar size.
self.bar_pos = 0 self.bar_pos = 0
local num_items = (self.height/self.item_height) local num_items = (self.height/self.item_height)
local ratio = num_items/self.items.n local ratio = num_items/self.items.n
self.bar_size = self.height * ratio self.bar_size = self.height * ratio
self.bar_max_pos = self.height - self.bar_size - 3 self.bar_max_pos = self.height - self.bar_size - 3
-- Calculate height of everything. -- Calculate height of everything.
self.sum_item_height = (self.item_height+1) * self.items.n + 2 self.sum_item_height = (self.item_height+1) * self.items.n + 2
end end
function List:hasBar() function List:hasBar()
return self.sum_item_height > self.height return self.sum_item_height > self.height
end end
function List:getBarRatio() function List:getBarRatio()
return self.bar_pos/self.bar_max_pos return self.bar_pos/self.bar_max_pos
end end
function List:getOffset() function List:getOffset()
local ratio = self.bar_pos/self.bar_max_pos local ratio = self.bar_pos/self.bar_max_pos
return math.floor((self.sum_item_height-self.height)*ratio + 0.5) return math.floor((self.sum_item_height-self.height)*ratio + 0.5)
end end
function List:update(dt) function List:update(dt)
if self.bar_lock then if self.bar_lock then
local dy = math.floor(love.mouse.getY()-self.bar_lock.y+0.5) local dy = math.floor(love.mouse.getY()-self.bar_lock.y+0.5)
self.bar_pos = self.bar_pos + dy self.bar_pos = self.bar_pos + dy
if self.bar_pos < 0 then if self.bar_pos < 0 then
self.bar_pos = 0 self.bar_pos = 0
elseif self.bar_pos > self.bar_max_pos then elseif self.bar_pos > self.bar_max_pos then
self.bar_pos = self.bar_max_pos self.bar_pos = self.bar_max_pos
end end
self.bar_lock.y = love.mouse.getY() self.bar_lock.y = love.mouse.getY()
end
end
end end
function List:mousepressed(mx, my, b) function List:mousepressed(mx, my, b)
if self:hasBar() then if self:hasBar() then
if b == "l" then if b == "l" then
local x, y, w, h = self:getBarRect() local x, y, w, h = self:getBarRect()
if inside(mx, my, x, y, w, h) then if inside(mx, my, x, y, w, h) then
self.bar_lock = { x = mx, y = my } self.bar_lock = { x = mx, y = my }
end end
end end
local per_pixel = (self.sum_item_height-self.height)/self.bar_max_pos local per_pixel = (self.sum_item_height-self.height)/self.bar_max_pos
local bar_pixel_dt = math.floor(((self.item_height)*3)/per_pixel + 0.5) local bar_pixel_dt = math.floor(((self.item_height)*3)/per_pixel + 0.5)
if b == "wd" then if b == "wd" then
self.bar_pos = self.bar_pos + bar_pixel_dt self.bar_pos = self.bar_pos + bar_pixel_dt
if self.bar_pos > self.bar_max_pos then self.bar_pos = self.bar_max_pos end if self.bar_pos > self.bar_max_pos then
elseif b == "wu" then self.bar_pos = self.bar_max_pos
end
elseif b == "wu" then
self.bar_pos = self.bar_pos - bar_pixel_dt self.bar_pos = self.bar_pos - bar_pixel_dt
if self.bar_pos < 0 then self.bar_pos = 0 end if self.bar_pos < 0 then
end self.bar_pos = 0
end end
end
end
if b == "l" and inside(mx, my, self.x+2, self.y+1, self.width-3, self.height-3) then if b == "l" and inside(mx, my, self.x+2, self.y+1, self.width-3, self.height-3) then
local tx, ty = mx-self.x, my + self:getOffset() - self.y local tx, ty = mx-self.x, my + self:getOffset() - self.y
local index = math.floor((ty/self.sum_item_height)*self.items.n) local index = math.floor((ty/self.sum_item_height)*self.items.n)
local i = self.items[index+1] local i = self.items[index+1]
local f = self.files[index+1] local f = self.files[index+1]
if f then if f then
exf.start(i, f) exf.start(i, f)
end
end end
end
end end
function List:mousereleased(x, y, b) function List:mousereleased(x, y, b)
if self:hasBar() then if self:hasBar() then
if b == "l" then if b == "l" then
self.bar_lock = nil self.bar_lock = nil
end end
end end
end end
function List:getBarRect() function List:getBarRect()
return return self.x+self.width+2, self.y+1+self.bar_pos,
self.x+self.width+2, self.y+1+self.bar_pos, self.bar_width-3, self.bar_size
self.bar_width-3, self.bar_size
end end
function List:getItemRect(i) function List:getItemRect(i)
return return self.x+2, self.y+((self.item_height+1)*(i-1)+1)-self:getOffset(),
self.x+2, self.y+((self.item_height+1)*(i-1)+1)-self:getOffset(), self.width-3, self.item_height
self.width-3, self.item_height
end end
function List:draw() function List:draw()
love.graphics.setLineWidth(2) love.graphics.setLineWidth(2)
love.graphics.setLineStyle("rough") love.graphics.setLineStyle("rough")
love.graphics.setFont(self.font) love.graphics.setFont(self.font)
love.graphics.setColor(48, 156, 225) love.graphics.setColor(48, 156, 225)
local mx, my = love.mouse.getPosition() local mx, my = love.mouse.getPosition()
-- Get interval to display. -- Get interval to display.
local start_i = math.floor( self:getOffset()/(self.item_height+1) ) + 1 local start_i = math.floor( self:getOffset()/(self.item_height+1) ) + 1
local end_i = start_i+math.floor( self.height/(self.item_height+1) ) + 1 local end_i = start_i+math.floor( self.height/(self.item_height+1) ) + 1
if end_i > self.items.n then end_i = self.items.n end
if end_i > self.items.n then
end_i = self.items.n
end
love.graphics.setScissor(self.x, self.y, self.width, self.height) love.graphics.setScissor(self.x, self.y, self.width, self.height)
-- Items. -- Items.
for i = start_i,end_i do for i = start_i,end_i do
local x, y, w, h = self:getItemRect(i) local x, y, w, h = self:getItemRect(i)
local hover = inside(mx, my, x, y, w, h) local hover = inside(mx, my, x, y, w, h)
if hover then if hover then
love.graphics.setColor(0, 0, 0, 127) love.graphics.setColor(0, 0, 0, 127)
else else
love.graphics.setColor(0, 0, 0, 63) love.graphics.setColor(0, 0, 0, 63)
end
love.graphics.rectangle("fill", x+1, y+i+1, w-3, h)
if hover then
love.graphics.setColor(255, 255, 255)
else
love.graphics.setColor(255, 255, 255, 127)
end
local e_id = string.sub(self.items[i], 1, 5)
local e_rest = string.sub(self.items[i], 5)
love.graphics.print(e_id, x+10, y+i+6) --Updated y placement -- Used to change position of Example IDs
love.graphics.print(e_rest, x+50, y+i+6) --Updated y placement -- Used to change position of Example Titles
end end
love.graphics.setScissor() love.graphics.rectangle("fill", x+1, y+i+1, w-3, h)
-- Bar. if hover then
if self:hasBar() then love.graphics.setColor(255, 255, 255)
local x, y, w, h = self:getBarRect() else
local hover = inside(mx, my, x, y, w, h) love.graphics.setColor(255, 255, 255, 127)
if hover or self.bar_lock then
love.graphics.setColor(0, 0, 0, 127)
else
love.graphics.setColor(0, 0, 0, 63)
end
love.graphics.rectangle("fill", x, y, w, h)
end end
-- Border. local e_id = string.sub(self.items[i], 1, 5)
love.graphics.setColor(0, 0, 0, 63) local e_rest = string.sub(self.items[i], 5)
love.graphics.rectangle("line", self.x+self.width, self.y, self.bar_width, self.height)
love.graphics.rectangle("line", self.x, self.y, self.width, self.height) love.graphics.print(e_id, x+10, y+i+6) --Updated y placement -- Used to change position of Example IDs
love.graphics.print(e_rest, x+50, y+i+6) --Updated y placement -- Used to change position of Example Titles
end
love.graphics.setScissor()
-- Bar.
if self:hasBar() then
local x, y, w, h = self:getBarRect()
local hover = inside(mx, my, x, y, w, h)
if hover or self.bar_lock then
love.graphics.setColor(0, 0, 0, 127)
else
love.graphics.setColor(0, 0, 0, 63)
end
love.graphics.rectangle("fill", x, y, w, h)
end
-- Border.
love.graphics.setColor(0, 0, 0, 63)
love.graphics.rectangle("line", self.x+self.width, self.y, self.bar_width, self.height)
love.graphics.rectangle("line", self.x, self.y, self.width, self.height)
end end