celestia/shaders/largestar_vert.glsl

17 lines
377 B
GLSL

attribute vec2 in_Position;
attribute vec2 in_TexCoord0;
uniform float pointWidth;
uniform float pointHeight;
uniform vec3 center;
varying vec2 texCoord;
void main(void)
{
texCoord = in_TexCoord0.st;
set_vp(vec4(center, 1.0));
vec2 transformed = vec2(in_Position.x * pointWidth, in_Position.y * pointHeight);
gl_Position.xy += transformed * gl_Position.w;
}