99 lines
2.2 KiB
Lua
99 lines
2.2 KiB
Lua
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-- Example: Avalanche of LOVE
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-- Contains all the balls.
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balls = {}
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-- Contains all the boxes. (Terrain)
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boxes = {}
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function love.load()
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-- Fat lines.
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love.graphics.setLineWidth(2)
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-- Load images.
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images = {
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green = love.graphics.newImage("green_ball.png"),
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big_love = love.graphics.newImage("big_love_ball.png"),
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love = love.graphics.newImage("love_ball.png"),
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}
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-- Image / radius pairs.
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balldefs = {
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{ i = images.green, r = 32 , ox = 36, oy = 36},
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{ i = images.big_love, r = 46 , ox = 48, oy = 48},
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{ i = images.love, r = 28 , ox = 32, oy = 32},
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}
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-- Create the world.
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world = love.physics.newWorld(0, 50)
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-- Create ground body.
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ground = love.physics.newBody(world, 0, 0, "static")
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-- Add all the balls.
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addball(balldefs[1], 50) -- Add 100 green.
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addball(balldefs[2], 5) -- Add 5 big.
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addball(balldefs[3], 25) -- Add 50 pink.
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-- This generates the terrain.
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for i = 0, 10 do
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addbox(i*50, i*50+100)
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end
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end
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function love.update(dt)
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-- Update the world.
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world:update(dt)
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-- Check whether we need to reset some balls.
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-- When they move out of the screen, they
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-- respawn above the screen.
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for i,v in ipairs(balls) do
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local x, y = v.b:getPosition()
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if x > 850 or y > 650 then
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v.b:setPosition(math.random(0, 400), -math.random(100, 1500))
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v.b:setLinearVelocity(0, 0)
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end
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end
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end
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function love.draw()
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-- Draw all the balls.
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for i, v in ipairs(balls) do
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love.graphics.draw(v.i, v.b:getX(), v.b:getY(), v.b:getAngle(), 1, 1, v.ox, v.oy)
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end
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-- Draw all the boxes.
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for i, v in ipairs(boxes) do
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love.graphics.polygon("line", v.s:getPoints())
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end
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end
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-- Adds a static box.
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function addbox(x, y)
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local t = {}
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t.b = ground
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t.s = love.physics.newRectangleShape(x, y, 50, 50)
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t.f = love.physics.newFixture(t.b, t.s)
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table.insert(boxes, t)
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end
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-- Adds X balls.
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function addball(def, num)
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for i = 1, num do
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local x, y = math.random(0, 400), -math.random(100, 1500)
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local t = {}
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t.b = love.physics.newBody(world, x, y, "dynamic")
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t.s = love.physics.newCircleShape(def.r)
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t.f = love.physics.newFixture(t.b, t.s)
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t.i = def.i
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t.ox = def.ox
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t.oy = def.oy
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table.insert(balls, t)
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end
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end
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