Initial Commit

animation.lua

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+--[[
+Copyright (c) 2009 Bart Bes
+
+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.
+]]
+
+local anim_mt = {}
+anim_mt.__index = anim_mt
+
+function newAnimation(image, fw, fh, delay, frames)
+	local a = {}
+	a.img = image
+	a.frames = {}
+	a.delays = {}
+	a.timer = 0
+	a.position = 1
+	a.fw = fw
+	a.fh = fh
+	a.playing = true
+	a.speed = 1
+	a.mode = 1
+	a.direction = 1
+	local imgw = image:getWidth()
+	local imgh = image:getHeight()
+	if frames == 0 then
+		frames = imgw / fw * imgh / fh
+	end
+	local rowsize = imgw/fw
+	for i = 1, frames do
+		local row = math.floor(i/rowsize)
+		local column = i%rowsize
+		local frame = love.graphics.newQuad(column*fw, row*fh, fw, fh, imgw, imgh)
+		table.insert(a.frames, frame)
+		table.insert(a.delays, delay)
+	end
+	return setmetatable(a, anim_mt)
+end
+
+function anim_mt:update(dt)
+	if not self.playing then return end
+	self.timer = self.timer + dt * self.speed
+	if self.timer > self.delays[self.position] then
+		self.timer = self.timer - self.delays[self.position]
+		self.position = self.position + 1 * self.direction
+		if self.position > #self.frames then
+			if self.mode == 1 then
+				self.position = 1
+			elseif self.mode == 2 then
+				self.position = self.position - 1
+				self:stop()
+			elseif self.mode == 3 then
+				self.direction = -1
+				self.position = self.position - 1
+			end
+		elseif self.position < 1 and self.mode == 3 then
+			self.direction = 1
+			self.position = self.position + 1
+		end
+	end
+end
+
+function anim_mt:draw(x, y, angle, sx, sy)
+	love.graphics.draw(self.img, self.frames[self.position], x, y, angle, sx, sy)
+end
+
+function anim_mt:addFrame(x, y, w, h, delay)
+	local frame = love.graphics.newQuad(x, y, w, h, a.img:getWidth(), a.img:getHeight())
+	table.insert(self.frames, frame)
+	table.insert(self.delays, delay)
+end
+
+function anim_mt:play()
+	self.playing = true
+end
+
+function anim_mt:stop()
+	self.playing = false
+end
+
+function anim_mt:reset()
+	self:seek(0)
+end
+
+function anim_mt:seek(frame)
+	self.position = frame
+	self.timer = 0
+end
+
+function anim_mt:getCurrentFrame()
+	return self.position
+end
+
+function anim_mt:getSize()
+	return #self.frames
+end
+
+function anim_mt:setDelay(frame, delay)
+	self.delays[frame] = delay
+end
+
+function anim_mt:setSpeed(speed)
+	self.speed = speed
+end
+
+function anim_mt:getWidth()
+	return self.frames[self.position]:getWidth()
+end
+
+function anim_mt:getHeight()
+	return self.frames[self.position]:getHeight()
+end
+
+function anim_mt:setMode(mode)
+	if mode == "loop" then
+		self.mode = 1
+	elseif mode == "once" then
+		self.mode = 2
+	elseif mode == "bounce" then
+		self.mode = 3
+	end
+end
+
+if Animations_legacy_support then
+	love.graphics.newAnimation = newAnimation
+	local oldLGDraw = love.graphics.draw
+	function love.graphics.draw(item, ...)
+		if type(item) == "table" and item.draw then
+			item:draw(...)
+		else
+			oldLGDraw(item, ...)
+		end
+	end
+end

conf.lua

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+function love.conf(t)
+	--t.console = true
+	author = "rude, and Codingale for the conversion to 0.9.0"
+	love_version = "0.10.0"
+end

examples/001_loading_image.lua

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+-- Example: Loading an Image and displaying it
+--[[Description:
+Load an image using love.graphics.newImage(image_path)
+Draw it using love.graphics.draw
+]]
+
+function love.load()
+    image = love.graphics.newImage("assets/love-ball.png")
+end
+
+function love.draw()
+    love.graphics.draw(image, 400, 300)
+end
+

examples/002_mouse_getpos.lua

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+-- Example: Getting the mouse position
+--[[Description:
+Get the mouse position with love.mouse.getPosition()
+Display it with love.graphics.print
+]]
+
+function love.load()
+    love.graphics.setFont(love.graphics.newFont(11))
+end
+
+function love.draw()
+    -- Gets the x- and y-position of the mouse.
+    local x, y = love.mouse.getPosition()
+    -- Draws the position on screen.
+    love.graphics.print("The mouse is at (" .. x .. "," .. y .. ")", 50, 50)
+end

examples/003_mouse_getx_gety.lua

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+-- Example: Getting the x or y position of the mouse
+--[[Description:
+Get the mouse position x with love.mouse.getX()
+Get the mouse position y with love.mouse.getY()
+Display it with love.graphics.print
+
+P.S. I don't see how this is any different from 0002
+P.S. I don't see how this is any different from 0002
+P.S. I don't see how this is any diffe
+Description character limit is löw
+]]
+
+function love.load()
+    love.graphics.setFont(love.graphics.newFont(11))
+end
+
+function love.draw()
+    -- Gets the x- and y-position of the mouse.
+    local x = love.mouse.getX()
+    local y = love.mouse.getY()
+    -- Draws the position on screen.
+    love.graphics.print("The mouse is at (" .. x .. "," .. y .. ")", 50, 50)
+end

examples/004_mouse_setpos.lua

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+-- Example: Setting the mouse position
+
+function love.load()
+   love.graphics.setFont(love.graphics.newFont(11))
+end
+
+function love.draw()
+    love.graphics.print("Press a key to move the mouse to a random point", 50, 50)
+end
+
+-- Press a key to move the mouse to
+-- some random point.
+function love.keypressed(k)
+    local x, y = math.random(0,800), math.random(0,600)
+    love.mouse.setPosition(x, y)
+end

examples/005_mouse_button.lua

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+-- Example: Checking for pressed mouse buttons
+
+function love.load()
+   love.graphics.setFont(love.graphics.newFont(11))
+end
+
+function love.draw()
+    -- Left mouse button.
+    if love.mouse.isDown(1) then
+        love.graphics.print("Left mouse button is down", 50, 50)
+    end
+
+    -- Right mouse button.
+    if love.mouse.isDown(2) then
+        love.graphics.print("Right mouse button is down", 50, 100)
+    end
+
+    -- Middle mouse button.
+    if love.mouse.isDown(3) then
+        love.graphics.print("Middle mouse button is down", 50, 75)
+    end 
+end

examples/006_cursor_visibility.lua

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+-- Example: Cursor Visibility
+
+function love.load()
+    -- Hide mouse on startup.
+    love.mouse.setVisible(false)
+    love.graphics.setFont(love.graphics.newFont(11))
+end
+
+-- Toggle cursor visibility.
+function love.keypressed(k)
+    if k == "v" then
+	if love.mouse.isVisible() then
+	    love.mouse.setVisible(false)
+	else
+	    love.mouse.setVisible(true)
+	end
+    end
+end
+
+function love.draw()
+    love.graphics.print("Press V to toggle visibility.", 50, 50)
+end

examples/007_sleeping.lua

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+-- Example: Sleeping
+
+function love.update(dt)
+    -- Sleeps 10ms after each udpate. By doing this,
+    -- CPU time is made available for other processes,
+    -- and your OS will love you for it.
+    love.timer.sleep(0.01)
+end

examples/008_fps_delta.lua

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+-- Example: FPS and delta-time
+
+function love.load()
+    love.graphics.setFont(love.graphics.newFont(11))
+end
+
+function love.draw()
+    -- Draw the current FPS.
+    love.graphics.print("FPS: " .. love.timer.getFPS(), 50, 50)
+    -- Draw the current delta-time. (The same value
+    -- is passed to update each frame).
+    love.graphics.print("dt: " .. love.timer.getDelta(), 50, 100)
+end

examples/009_timing.lua

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+-- Example: Timing code
+
+function love.load()
+    -- Get time before the code to be timed.
+    t_start = love.timer.getTime()
+
+    -- Load 10 fonts.
+    for i=13,22 do
+        local f = love.graphics.newFont(i)
+        love.graphics.setFont(f)
+    end
+
+    -- Get time after.
+    t_end = love.timer.getTime()
+
+end
+
+function love.draw()
+    love.graphics.print("Spent " .. (t_end-t_start) .. " seconds loading 10 fonts.", 50, 50)
+end

examples/010_key_down.lua

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+-- Example: Checking if a key is down
+
+function love.load()
+    love.graphics.setFont(love.graphics.newFont(11))
+end
+
+function love.draw()
+    -- Checks whether the return key is down or not.
+    if love.keyboard.isDown("return") then
+        love.graphics.print("The return key is down.", 50, 50)
+    else
+        love.graphics.print("The return key isn't down.", 50, 50)
+    end
+end

examples/011_animation.lua

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+-- Example: Create and use an Animation
+require("animation")
+
+function newImagePO2(filename)
+	local source = love.image.newImageData(filename)
+	local w, h = source:getWidth(), source:getHeight()
+
+	-- Find closest power-of-two.
+	local wp = math.pow(2, math.ceil(math.log(w)/math.log(2)))
+	local hp = math.pow(2, math.ceil(math.log(h)/math.log(2)))
+
+	-- Only pad if needed:
+	if wp ~= w or hp ~= h then
+	local padded = love.image.newImageData(wp, hp)
+	padded:paste(source, 0, 0)
+	return love.graphics.newImage(padded)
+	end
+
+	return love.graphics.newImage(source)
+end
+
+function love.load()
+	-- Set a lovely pink background color.
+	love.graphics.setBackgroundColor(246, 198, 222)
+
+	-- Load the source of the animation.
+	img = newImagePO2("assets/anim-boogie.png")
+
+	-- Create an animation with a frame size of 32x32 and
+	-- 0.1s delay betwen each frame.
+	animation1 = newAnimation(img, 32, 32, 0.1, 6)
+end
+
+function love.update(dt)
+	-- The animation must be updated so it 
+	-- knows when to change frames.
+	animation1:update(dt)
+end
+
+function love.draw()
+	-- Draw the animation the center of the screen.
+	animation1:draw(400, 300, 0, 1, 1)
+end

examples/012_cursor_change.lua

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+-- Example: Use an Image as cursor
+
+function love.load()
+	-- Load the "cursor" (with default hot spot 0, 0)
+	cursor = love.mouse.newCursor("assets/love-cursor.png")
+
+	-- Set the cursor
+	love.mouse.setCursor( cursor )
+end
+
+