7 lines
204 B
GLSL
7 lines
204 B
GLSL
uniform float level;
|
|
vec4 effect(vec4 color,sampler2D tex,vec2 texCoord,vec2 scrCoord){
|
|
float dx=abs(scrCoord.x/love_ScreenSize.x-0.5);
|
|
float a=(dx*2.6-.626)*level;
|
|
return vec4(1.,0.,0.,a);
|
|
}
|