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io.stdout:setvbuf("no")
local shader = [[
#VERTEX_SHADER
Vertex vert(Vertex v)
{
return v;
}
#END_VERTEX_SHADER
#FRAGMENT_SHADER
Color frag(Color col, Texture tex, Vertex v)
{
return col;
}
#END_FRAGMENT_SHADER
]]
local shader2 = [[
#VERTEX_SHADER
Vertex vert(Vertex v)
{
return v;
}
#END_VERTEX_SHADER
#FRAGMENT_SHADER
Color frag(Color col, Texture tex, Vertex v)
{
if(v.xy.x > 30)
return Color(1, 0, 0, 1);
Color c = texel(tex, v.uv);
return c;
}
#END_FRAGMENT_SHADER
]]
music = nil
local tex = nil
local shader_program = nil
local shader_program2 = nil
local timer = nil
local tb = {x = 1, y = 2}
local t = 0
local spr = nil
local bitmap = nil
local sprs = {}
local animator = nil
local spr = nil
local particle_sprite = nil
local ps = nil
local function createAnimation(path, count, r, c, w, h, loop, speed)
local tex = jin.graphics.newTexture(path)
local ssheet = jin.graphics.newSpriteSheet(tex)
local sprs = ssheet:newSprites(count, r, c, w, h, 96, 168)
return jin.graphics.newAnimation(sprs, loop, speed)
end
local particle_sprites = {}
local Pi = 3.1415
function jin.core.onLoad()
-- bitmap = jin.graphics.newBitmap(200, 200, function(w, h, x, y)
-- return {255*math.sin(x/w),255 - 255,255*math.cos(y/w),255}
-- end)
local tex = jin.graphics.newTexture("particle.png")
particle_sprite = jin.graphics.newSprite(tex, jin.graphics.SpriteOrigin.MIDDLECENTER)
ps = jin.graphics.newParticleSystem()
for i = 0, 10 do
local t = jin.graphics.newTexture("dust/s_dust_A_" .. i .. ".png")
local spr = jin.graphics.newSprite(t, jin.graphics.SpriteOrigin.MIDDLECENTER)
ps:addParticleSprite(spr)
end
ps:setEmitRate(0.02)
ps:setEmitForce(80, 120)
ps:setEmitPosition({0, 0})
ps:setEmitDirection(-Pi / 10 - Pi / 2, Pi / 10 - Pi / 2)
ps:setParticleLinearAccelaration({0, 10})
ps:setParticleSpritesMode(jin.graphics.SpriteMode.ANIMATED)
ps:setParticleColor({255, 30, 0, 255})
ps:addParticleTransparencyPoint(1, 0)
ps:addParticleTransparencyPoint(0, 0.5)
ps:enableParticleBlendAdditive(true)
ps:setParticleLife(0.5, 2)
ps:addParticleScalePoint(3, 0)
ps:addParticleScalePoint(0, 1)
--ps:addParticleSprite(particle_sprite)
shader_program = jin.graphics.newShader(shader)
shader_program2 = jin.graphics.newShader(shader2)
local animation = createAnimation("anim2.png", 27, 3, 10, 200, 200, true, 50)
animator = jin.graphics.newAnimator(animation)
spr = animation:getFrame(1)
local tex3 = jin.graphics.newTexture("anim2.png")
tex3 = nil
-- music = jin.audio.newSource("forest.ogg")
-- music:setVolume(0.5)
-- music:setLoop(true)
-- music:play()
jin.graphics.clear()
jin.graphics.showWindow()
timer = jin.time.newTimer()
timer:every(3, function(p)
--timer:cancel(h)
if animator:getSpeed() == 50 then
animator:setSpeed(100)
elseif animator:getSpeed() == 100 then
animator:setSpeed(50)
end
end, animator)
jin.graphics.pushMatrix()
jin.graphics.translate(0, 0)
--jin.graphics.rotate(0.2)
end
function jin.core.onEvent(e)
if e.type == "Quit" then
jin.core.stop()
end
end
function jin.core.onUpdate(dt)
tb.x = t
t = t + jin.time.getDelta()
animator:update(jin.time.getDelta())
timer:update(jin.time.getDelta())
ps:update(dt)
local mx, my = jin.mouse.getPosition()
ps:setPosition(mx, my)
end
function jin.core.onDraw()
jin.graphics.useShader(shader_program)
jin.graphics.setColor(255, 0, 255, 255)
jin.graphics.rect(jin.graphics.RenderMode.FILL, 30, 50, 100, 200)
jin.graphics.setColor(255, 255, 255, 255)
jin.graphics.unuseShader()
--jin.graphics.draw(sprs[2], 150, 150, 1, 1, 0)
local x, y = jin.mouse.getPosition()
animator:render(50, 150, 1, 1, 0)
--jin.graphics.print(#sprs, 10, 10)
jin.graphics.draw(spr, 100, 200, 1, 1, 0)
--jin.graphics.useShader(shader_program2)
--jin.graphics.draw(tex, 0, 0,0.2, 0.2)
--jin.graphics.unuseShader()
ps:render()
end
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