Mindustry/core/assets/bloomshaders/blurspace.vertex.glsl

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2019-06-25 06:39:57 +07:00
#ifdef GL_ES
#define MED mediump
#else
#define MED
#endif
attribute vec4 a_position;
attribute vec2 a_texCoord0;
uniform vec2 dir;
uniform vec2 size;
varying MED vec2 v_texCoords0;
varying MED vec2 v_texCoords1;
varying MED vec2 v_texCoords2;
varying MED vec2 v_texCoords3;
varying MED vec2 v_texCoords4;
const vec2 futher = vec2(3.2307692308, 3.2307692308);
const vec2 closer = vec2(1.3846153846, 1.3846153846);
void main()
{
vec2 sizeAndDir = dir / size;
vec2 f = futher*sizeAndDir;
vec2 c = closer*sizeAndDir;
v_texCoords0 = a_texCoord0 - f;
v_texCoords1 = a_texCoord0 - c;
v_texCoords2 = a_texCoord0;
v_texCoords3 = a_texCoord0 + c;
v_texCoords4 = a_texCoord0 + f;
gl_Position = a_position;
}