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skybox: old-current weather turbidity blend

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minjaesong
2023-09-06 21:07:39 +09:00
parent b47cc17afd
commit 0b5e3d7b77
3 changed files with 66 additions and 47 deletions
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37
src/shaders/blendSkyboxStars.frag
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@@ -14,15 +14,16 @@ out vec4 fragColor;
const vec2 boolean = vec2(0.0, 1.0);
uniform vec4 drawOffsetSize; // (gradX, gradY, gradW, gradH)
uniform vec4 uvA; // (u, v, u2, v2) for morn, turbLow, albLow
uniform vec4 uvB; // (u, v, u2, v2) for noon, turbLow, albLow
uniform vec4 uvC; // (u, v, u2, v2) for morn, turbHigh, albLow
uniform vec4 uvD; // (u, v, u2, v2) for noon, turbHigh, albLow
uniform vec4 uvE; // (u, v, u2, v2) for morn, turbLow, albHigh
uniform vec4 uvF; // (u, v, u2, v2) for noon, turbLow, albHigh
uniform vec4 uvG; // (u, v, u2, v2) for morn, turbHigh, albHigh
uniform vec4 uvH; // (u, v, u2, v2) for noon, turbHigh, albHigh
uniform vec4 texBlend; // (morn/noon, turbidity, albedo, unused)
uniform vec4 uvA; // (u, v, u2, v2) for now, turbLow, albLow
uniform vec4 uvB; // (u, v, u2, v2) for old, turbLow, albLow
uniform vec4 uvC; // (u, v, u2, v2) for now, turbHigh, albLow
uniform vec4 uvD; // (u, v, u2, v2) for old, turbHigh, albLow
uniform vec4 uvE; // (u, v, u2, v2) for now, turbLow, albHigh
uniform vec4 uvF; // (u, v, u2, v2) for old, turbLow, albHigh
uniform vec4 uvG; // (u, v, u2, v2) for now, turbHigh, albHigh
uniform vec4 uvH; // (u, v, u2, v2) for old, turbHigh, albHigh
uniform vec4 texBlend1; // (turbidity now, albedo now, turbidity old, albedo old)
uniform vec4 texBlend2; // (old-now blend, unused, unused, unused)
uniform vec2 tex1Size = vec2(4096.0);
uniform vec2 astrumScroll = vec2(0.0);
uniform vec4 randomNumber = vec4(1.0, -2.0, 3.0, -4.0);
@@ -136,17 +137,17 @@ void main(void) {
// notations used: https://en.wikipedia.org/wiki/File:Enclosing_points.svg and https://en.wikipedia.org/wiki/File:3D_interpolation2.svg
vec4 colorTex0 = mix(
mix(
mix(colorTexA, colorTexE, texBlend.z), // c00 = c000..c100
mix(colorTexC, colorTexG, texBlend.z), // c10 = c010..c110
texBlend.y
mix( // now-values
mix(colorTexA, colorTexE, texBlend1.y), // c00 = c000..c100
mix(colorTexC, colorTexG, texBlend1.y), // c10 = c010..c110
texBlend1.x
), // c0 = c00..c10
mix(
mix(colorTexB, colorTexF, texBlend.z), // c01 = c001..c101
mix(colorTexD, colorTexH, texBlend.z), // c11 = c011..c111
texBlend.y
mix( // old-values
mix(colorTexB, colorTexF, texBlend1.w), // c01 = c001..c101
mix(colorTexD, colorTexH, texBlend1.w), // c11 = c011..c111
texBlend1.z
), // c1 = c01..c11
texBlend.x
texBlend2.x
); // c = c0..c1