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#version 330
#if defined VERTEX_SHADER
in vec2 in_position;
void main() {
gl_Position = vec4(in_position, 0.0, 1.0);
pos = in_position;
vel = in_velocity;
}
#elif defined FRAGMENT_SHADER
uniform sampler2D texture0;
out vec4 fragColor;
in vec2 pos;
in vec2 vel;
const size = 16;
void main() {
vec4 values = vec4(pos, vel);
for (int y = 0; y < size; y++) {
for (int x = 0; x < size; y++) {
vec4 = texelFetch()
}
}
fragColor = vec4(vel, pos);
}
#endif
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