andras/decla-red
andras/decla-red
Watch
1
0
Fork
You've already forked decla-red
 0
Code Issues Pull requests 8 Projects Releases Packages 1 Wiki Activity Actions

Add lighting shader

Browse source
This commit is contained in:
schmelczerandras 2020-07-22 22:47:26 +02:00
commit 0cd383794c
1 changed files with 144 additions and 295 deletions
Download patch file Download diff file Expand all files Collapse all files

22
frontend/src/shaders/rainbow-shading-fs.glsl
View file

@ -22,12 +22,28 @@ vec4 smoothRainbow(float x) {
uniform sampler2D distanceTexture;
uniform mat3 transformUV;
uniform mat3 worldToDistanceUV;
uniform mat3 lightingScreenToWorld;
out vec4 fragmentColor;
uniform vec2 cursorPosition;
float getDistance(in vec2 targetUV, out vec3 color) {
vec4 values = texture(distanceTexture, targetUV);
color = values.rgb;
return values.a;
}
void main() {
vec2 position = (vec3(gl_FragCoord.xy, 1.0) * transformUV).xy;
vec4 previous = texture(distanceTexture, position);
vec2 targetUV = (vec3(gl_FragCoord.xy, 1.0) * worldToDistanceUV).xy;
vec2 targetLighting = (vec3(gl_FragCoord.xy, 1.0) * lightingScreenToWorld).xy;
vec4 previous = texture(distanceTexture, targetUV);
//fragmentColor = smoothRainbow(previous.a);
fragmentColor = previous.a > 0.5 ? vec4(1.0, 1.0, 1.0, 1.0) : vec4(0.0, 0.0, 0.0, 1.0);
if (distance(targetLighting, cursorPosition) < 0.01) {
fragmentColor = vec4(1.0, 1.0, 0.0, 1.0);
}
}