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cloud model update

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This commit is contained in:
minjaesong
2023-09-19 01:34:43 +09:00
parent b0d7bc4022
commit 5616b81a31
6 changed files with 26 additions and 18 deletions
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9
src/shaders/clouds.frag
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@@ -10,6 +10,9 @@ out vec4 fragColor;
const vec2 boolean = vec2(0.0, 1.0);
uniform vec4 shadeCol;
uniform float shadiness = 1.0;
vec4 shadeVec = vec4(1.0 + 3.333 * shadiness, 1.0 + 3.333 * shadiness, 1.0 + 3.333 * shadiness, 1.0);
void main() {
vec4 cloudCol = v_color;
@@ -23,10 +26,12 @@ void main() {
// cloud colour format:
// r: bw diffuse map, g: normal, b: normal, a: bw diffuse alpha
vec4 inCol = texture(u_texture, v_texCoords);
vec4 rawCol = range * pow(inCol, gamma) + offset;
vec4 rawCol0 = range * pow(inCol, gamma) + offset;
vec4 rawCol = pow(rawCol0, shadeVec);
// do gradient mapping here
vec4 outCol = fma(mix(shadeCol, cloudCol, rawCol.r), boolean.yyyx, rawCol * boolean.xxxy);
vec4 ccol = mix(shadeCol, cloudCol, rawCol.r);
vec4 outCol = fma(ccol, boolean.yyyx, rawCol * boolean.xxxy);
fragColor = outCol * fma(cloudCol, boolean.xxxy, boolean.yyyx);
}