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made rain come down from an angle. tweaked SSS from the sun.

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Xonk
2023-10-08 23:30:36 -04:00
parent d47eedd987
commit 69e605b38b
4 changed files with 64 additions and 25 deletions
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37
shaders/dimensions/all_particles.vsh
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@ -23,8 +23,12 @@ uniform float sunElevation;
uniform vec2 texelSize;
uniform int framemod8;
uniform float frameTimeCounter;
uniform vec3 cameraPosition;
uniform mat4 gbufferModelViewInverse;
uniform mat4 gbufferModelView;
uniform ivec2 eyeBrightnessSmooth;
const vec2[8] offsets = vec2[8](vec2(1./8.,-3./8.),
vec2(-1.,3.)/8.,
vec2(5.0,1.)/8.,
@ -33,7 +37,12 @@ const vec2[8] offsets = vec2[8](vec2(1./8.,-3./8.),
vec2(-7.,-1.)/8.,
vec2(3,7.)/8.,
vec2(7.,-7.)/8.);
#define diagonal3(m) vec3((m)[0].x, (m)[1].y, m[2].z)
#define projMAD(m, v) (diagonal3(m) * (v) + (m)[3].xyz)
vec4 toClipSpace3(vec3 viewSpacePosition) {
return vec4(projMAD(gl_ProjectionMatrix, viewSpacePosition),-viewSpacePosition.z);
}
//////////////////////////////VOID MAIN//////////////////////////////
//////////////////////////////VOID MAIN//////////////////////////////
//////////////////////////////VOID MAIN//////////////////////////////
@ -41,13 +50,33 @@ const vec2[8] offsets = vec2[8](vec2(1./8.,-3./8.),
//////////////////////////////VOID MAIN//////////////////////////////
void main() {
gl_Position = ftransform();
lmtexcoord.xy = (gl_MultiTexCoord0).xy;
vec2 lmcoord = gl_MultiTexCoord1.xy / 255.0; // is this even correct? lol'
lmtexcoord.zw = lmcoord;
#ifdef WEATHER
vec3 position = mat3(gl_ModelViewMatrix) * vec3(gl_Vertex) + gl_ModelViewMatrix[3].xyz;
vec3 worldpos = mat3(gbufferModelViewInverse) * position + gbufferModelViewInverse[3].xyz + cameraPosition;
bool istopv = worldpos.y > cameraPosition.y + 5.0 && lmtexcoord.w > 0.94;
if(!istopv){
worldpos.xyz -= cameraPosition;
}else{
worldpos.xyz -= cameraPosition + vec3(2.0,0.0,2.0);
}
position = mat3(gbufferModelView) * worldpos + gbufferModelView[3].xyz;
gl_Position = toClipSpace3(position);
#else
gl_Position = ftransform();
#endif
color = gl_Color;
// color.rgb = worldpos;
#ifdef LINES
color.a = 1.0;
#endif