CelestiaContent/shaders/selpointer_vert.glsl

15 lines
333 B
GLSL

#version 120
uniform float pixelSize;
uniform float s, c;
uniform float x0, y0;
uniform vec3 u, v;
void main(void)
{
float x = gl_Vertex.x * pixelSize;
float y = gl_Vertex.y * pixelSize;
vec3 pos = (x * c - y * s + x0) * u + (x * s + y * c + y0) * v;
gl_Position = gl_ModelViewProjectionMatrix * vec4(pos, 1.0f);
}