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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
function jin.core.onLoad()
bitmap = jin.graphics.newBitmap(128, 128, function(w, h, x, y)
return {255*math.sin(x/w),255 - 255,255*math.cos(y/w),255}
end)
shader_program = jin.graphics.newShader(shader)
shader_program2 = jin.graphics.newShader(shader2)
--tex = jin.graphics.newTexture("1.png")
tex = jin.graphics.newTexture(bitmap)
local ssheet = jin.graphics.newSpriteSheet(tex)
spr = ssheet:newSprite(50, 50, 50, 50)
spr:setPosition(0, 50)
spr:setShader(shader_program2)
tex = nil
spr:setScale(2, 2)
spr:setColor(100, 0, 100, 255)
spr:setOrigin(jin.graphics.SpriteOrigin.BOTTOMCENTER)
-- 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()
local h = timer:every(0.5, function(sp)
local x, y = spr:getPosition()
spr:move(5, 0)
end, spr)
timer:after(3, function(p)
--timer:cancel(h)
end, h)
jin.graphics.pushMatrix()
jin.graphics.translate(10, 0)
--jin.graphics.rotate(0.2)
end
local stop = false
function jin.core.onEvent(e)
if e.type == "Quit" then
jin.core.stop()
end
end
function jin.core.onUpdate()
tb.x = t
t = t + jin.time.getDelta()
end
function jin.core.onDraw()
timer:update(jin.time.getDelta())
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()
spr:render()
--jin.graphics.useShader(shader_program2)
--jin.graphics.draw(tex, 0, 0,0.2, 0.2)
--jin.graphics.unuseShader()
if stop then
jin.graphics.print("Quit", 100, 300)
end
end
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