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Joshua Elmasri
2025-04-29 13:39:02 -05:00
commit 9cbb583982
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101
modules/wallpaper-engine/effects/clouds/shaders/effects/clouds.frag Normal file
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// [COMBO] {"material":"ui_editor_properties_shading","combo":"SHADING","type":"options","default":7}
// [COMBO] {"material":"ui_editor_properties_blend_mode","combo":"BLENDMODE","type":"imageblending","default":0}
// [COMBO] {"material":"ui_editor_properties_write_alpha","combo":"WRITEALPHA","type":"options","default":0}
#include "common.h"
#include "common_blending.h"
varying vec4 v_TexCoord;
uniform sampler2D g_Texture0; // {"hidden":true}
uniform sampler2D g_Texture1; // {"label":"ui_editor_properties_albedo","default":"util/clouds_256"}
uniform sampler2D g_Texture2; // {"label":"ui_editor_properties_opacity_mask","mode":"opacitymask","combo":"MASK","paintdefaultcolor":"0 0 0 1"}
uniform float g_CloudsAlpha; // {"material":"alpha","label":"ui_editor_properties_alpha","default":1.0,"range":[0.01, 1]}
uniform float g_CloudThreshold; // {"material":"threshold","label":"ui_editor_properties_threshold","default":0,"range:":[0,1]}
uniform float g_CloudFeather; // {"material":"feather","label":"ui_editor_properties_feather","default":0.5,"range":[0,1]}
uniform float g_CloudLOD; // {"material":"smoothness","label":"ui_editor_properties_smoothness","default":0.0,"range":[0, 5]}
uniform vec3 g_Color1; // {"material":"colorstart","label":"ui_editor_properties_color_start","default":"1 1 1","type":"color"}
uniform vec3 g_Color2; // {"material":"colorend","label":"ui_editor_properties_color_end","default":"1 1 1","type":"color"}
#if SHADING == 100
uniform float g_CloudShading; // {"material":"shadingamount","label":"ui_editor_properties_shading_amount","default":50,"range":[0,100]}
uniform float g_ShadingDirection; // {"material":"shadingdirection","label":"ui_editor_properties_shading_direction","default":3.141,"range":[0,6.28]}
#endif
#if PERSPECTIVE == 0
varying vec4 v_TexCoordClouds;
#else
uniform float g_Time;
uniform vec4 g_CloudSpeeds; // {"material":"speed","label":"ui_editor_properties_speed","default":"0.01 0.01 -0.02 -0.02"}
uniform vec4 g_CloudScales; // {"material":"scale","label":"ui_editor_properties_scale","default":"1.3 1.3 0.5 0.5"}
varying vec3 v_TexCoordPerspective;
#endif
void main() {
vec4 albedo = texSample2D(g_Texture0, v_TexCoord.xy);
vec4 cloudTexCoods;
#if PERSPECTIVE == 0
cloudTexCoods = v_TexCoordClouds;
#else
vec2 perspectiveCoords = v_TexCoordPerspective.xy / v_TexCoordPerspective.z;
cloudTexCoods.xyzw = perspectiveCoords.xyxy;
cloudTexCoods.xy = (cloudTexCoods.xy + g_Time * g_CloudSpeeds.xy) * g_CloudScales.xy;
cloudTexCoods.zw = (cloudTexCoods.zw + g_Time * g_CloudSpeeds.zw) * g_CloudScales.zw;
//cloudTexCoods.xz *= aspect;
cloudTexCoods.zw = vec2(-cloudTexCoods.w, cloudTexCoods.z);
#endif
//float cloud0 = texSample2D(g_Texture1, v_TexCoordClouds.xy).r;
//float cloud1 = texSample2D(g_Texture1, v_TexCoordClouds.zw).r;
float cloud0 = texSample2DLod(g_Texture1, cloudTexCoods.xy, g_CloudLOD).r;
float cloud1 = texSample2DLod(g_Texture1, cloudTexCoods.zw, g_CloudLOD).r;
float cloudBlend = cloud0 * cloud1;
vec3 cloudColor = CAST3(1.0);
#if SHADING == 1
//float light = 0.5;
//vec2 cloudDeltas = vec2(ddx(cloudBlend), ddy(cloudBlend));
//float shadingLength = length(cloudDeltas);
//if (shadingLength > 0.001)
//{
// cloudDeltas *= g_CloudShading;
// vec2 direction = rotateVec2(vec2(0, -1.0), g_ShadingDirection);
// light = saturate(dot(direction, cloudDeltas) * 0.5 + 0.5);
//}
//cloudColor = mix(g_Color2, g_Color1, light);
#endif
cloudBlend = smoothstep(g_CloudThreshold, g_CloudThreshold + g_CloudFeather, cloudBlend);
float blend = cloudBlend * g_CloudsAlpha;
#if PERSPECTIVE == 1
blend *= step(0.0, v_TexCoordPerspective.z);
#endif
#if SHADING == 0
cloudColor = mix(g_Color2, g_Color1, blend);
#else
cloudColor = mix(g_Color2, g_Color1, blend) * cloud0 * cloud1;
#endif
#if MASK
blend *= texSample2D(g_Texture2, v_TexCoord.zw).r;
#endif
albedo.rgb = ApplyBlending(BLENDMODE, albedo.rgb, cloudColor, blend);
#if WRITEALPHA
//albedo.a = 1.0;
albedo.a = blend;
#endif
gl_FragColor = albedo;
}

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modules/wallpaper-engine/effects/clouds/shaders/effects/clouds.vert Normal file
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// [COMBO] {"material":"ui_editor_properties_perspective","combo":"PERSPECTIVE","type":"options","default":0}
#include "common_perspective.h"
uniform mat4 g_ModelViewProjectionMatrix;
uniform vec4 g_Texture0Resolution;
#if MASK == 1
uniform vec4 g_Texture2Resolution;
#endif
attribute vec3 a_Position;
attribute vec2 a_TexCoord;
varying vec4 v_TexCoord;
#if PERSPECTIVE == 0
varying vec4 v_TexCoordClouds;
uniform float g_Time;
uniform vec2 g_CloudSpeeds; // {"material":"speed","label":"ui_editor_properties_speed","default":"0.01 -0.02"}
uniform vec4 g_CloudScales; // {"material":"scale","label":"ui_editor_properties_scale","default":"1.3 1.3 0.5 0.5"}
#else
uniform vec2 g_Point0; // {"material":"point0","label":"p0","default":"0 0"}
uniform vec2 g_Point1; // {"material":"point1","label":"p1","default":"1 0"}
uniform vec2 g_Point2; // {"material":"point2","label":"p2","default":"1 1"}
uniform vec2 g_Point3; // {"material":"point3","label":"p3","default":"0 1"}
varying vec3 v_TexCoordPerspective;
#endif
void main() {
gl_Position = mul(vec4(a_Position, 1.0), g_ModelViewProjectionMatrix);
v_TexCoord = a_TexCoord.xyxy;
#if PERSPECTIVE == 0
float aspect = g_Texture0Resolution.z / g_Texture0Resolution.w;
v_TexCoordClouds.xy = (a_TexCoord + g_Time * g_CloudSpeeds.x) * g_CloudScales.xy;
v_TexCoordClouds.zw = (a_TexCoord + g_Time * g_CloudSpeeds.y) * g_CloudScales.zw;
v_TexCoordClouds.xz *= aspect;
v_TexCoordClouds.zw = vec2(-v_TexCoordClouds.w, v_TexCoordClouds.z);
#else
mat3 xform = inverse(squareToQuad(g_Point0, g_Point1, g_Point2, g_Point3));
v_TexCoordPerspective = mul(vec3(a_TexCoord.xy, 1.0), xform);
#endif
#if MASK == 1
v_TexCoord.zw = vec2(v_TexCoord.x * g_Texture2Resolution.z / g_Texture2Resolution.x,
v_TexCoord.y * g_Texture2Resolution.w / g_Texture2Resolution.y);
#endif
}