def _init_shader(self):
vertex_code = """
#version 120
attribute float particle_size;
void main()
{
gl_PointSize = particle_size;
gl_Position = ftransform();
gl_FrontColor = gl_Color;
}
"""
frag_code = """
#version 120
uniform sampler2D sprite_texture;
void main()
{
gl_FragColor = gl_Color * texture2D(sprite_texture, gl_PointCoord);
}
"""
self.sprite_shader = ShaderProgram.simple_program(
'sprite', vertex_code, frag_code)
self.particle_size_idx = gl.glGetAttribLocation(
self.sprite_shader.program, b'particle_size')
def _init_shader(self):
vertex_code = """
#version 120
attribute float particle_size;
void main()
{
gl_PointSize = particle_size;
gl_Position = ftransform();
gl_FrontColor = gl_Color;
}
"""
frag_code = """
#version 120
uniform sampler2D sprite_texture;
void main()
{
gl_FragColor = gl_Color * texture2D(sprite_texture, gl_PointCoord);
}
"""
self.sprite_shader = ShaderProgram.simple_program('sprite', vertex_code, frag_code)
self.particle_size_idx = gl.glGetAttribLocation(self.sprite_shader.program, b'particle_size')
uniform sampler2D u_texture;
float rand(vec2 co)
{
return fract(sin(dot(co.xy ,vec2(92.,80.))) +
cos(dot(co.xy ,vec2(41.,62.))) * 5.1);
}
void main()
{
vec2 rnd = vec2(0.0);
rnd = vec2(rand(v_texCoord),rand(v_texCoord));
glFragColor = texture2D(u_texture, v_texCoord+rnd*0.05);
}
"""
from cocos.shader import ShaderProgram
ShaderProgram.simple_program("frost", vert_shader, frag_shader)
class Zen(cocos.layer.Layer):
def __init__(self):
super(Zen, self).__init__()
sprite = cocos.sprite.Sprite("pebbleconcrete.jpg")
sprite.position = (100, 100)
self.add(sprite)
cocos.director.director.init(width=1024, height=768)
layer = Zen()
scene = cocos.scene.Scene(layer)
cocos.director.director.run(scene)