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Update volumetrics

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This commit is contained in:
Gefüllte Taubenbrust 2024-08-18 15:13:26 +02:00
parent 22ba7449f2
commit e6752008e0
17 changed files with 420 additions and 181 deletions
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22
client/shaders/volumetric_clouds/opengl_vertex.glsl
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@ -1,11 +1,18 @@
uniform mat4 mCameraProjInv;
uniform mat4 mCameraView;
uniform vec3 eyePosition;
uniform float f_timeofday;
varying vec3 relativePosition;
varying vec3 viewDirection;
varying vec2 screenspaceCoordinate;
varying float sunStrength;
float mtsmoothstep(in float edge0, in float edge1, in float x)
{
float t = clamp((x - edge0) / (edge1 - edge0), 0.0, 1.0);
return t * t * (3.0 - 2.0 * t);
}
void main(void)
{
@ -13,5 +20,18 @@ void main(void)
vec4 p = mCameraProjInv * inVertexPosition;
viewDirection = p.xyz / p.w;
relativePosition = (p.xyz / p.w) * mat3(mCameraView);
if (f_timeofday < 0.21) {
sunStrength =
(1.0 - mtsmoothstep(0.18, 0.21, f_timeofday));
} else if (f_timeofday >= 0.793) {
sunStrength =
mtsmoothstep(0.793, 0.823, f_timeofday);
} else {
sunStrength =
mtsmoothstep(0.21, 0.26, f_timeofday) *
(1.0 - mtsmoothstep(0.743, 0.793, f_timeofday));
}
gl_Position = inVertexPosition;
}