- merge v0.01 --> Añadido fileselector - Añadidas fuentes de Gem y Pure Data - pix2jpg incluído en Gem. Archivos de construcción de Gem modificados. - Añadido fichero ompiling.txt con instrucciones de compilación
28 lines
823 B
GLSL
28 lines
823 B
GLSL
#version 120
|
|
#extension GL_EXT_geometry_shader4: enable
|
|
|
|
void main(void)
|
|
{
|
|
//increment variable
|
|
int i,j;
|
|
float rnd1,rnd2;
|
|
rnd1 = 0.0216767863321334264; // seed
|
|
rnd2 = 0.0475785688678678345;
|
|
for(j=0; j< 40; j++)
|
|
{
|
|
rnd1 = fract(124.321345312123465*rnd1) -0.5; // easy way to generated pseudo random number
|
|
rnd2 = fract(5234.43532345435245*rnd2) -0.5;
|
|
|
|
//draw 40 time the same geometry, but with small shift in it's position
|
|
for(i=0; i< gl_VerticesIn; i++)
|
|
{
|
|
gl_FrontColor = gl_FrontColorIn[i];
|
|
gl_TexCoord[0] = gl_TexCoordIn[i][0];
|
|
gl_Position = gl_PositionIn[i]; // get position of the original point
|
|
gl_Position.xy += vec2(rnd1,rnd2)/3.; // add small random
|
|
// the geometry as already been transform in 2d, so we jut have to move it in X and Y
|
|
EmitVertex();
|
|
}
|
|
EndPrimitive();
|
|
}
|
|
}
|