487 lines
14 KiB
Plaintext
487 lines
14 KiB
Plaintext
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// Credit to Inigo Quilez (https://www.iquilezles.org/www/articles/distfunctions2d/distfunctions2d.htm) for many of the 2D functions used
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Shader "Unlit/MediaPlayerUI"
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{
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Properties
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{
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[PerRendererData] _MainTex("Sprite Texture", 2D) = "white" {}
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_Color("Tint", Color) = (1,1,1,1)
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_StencilComp("Stencil Comparison", Float) = 8
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_Stencil("Stencil ID", Float) = 0
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_StencilOp("Stencil Operation", Float) = 0
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_StencilWriteMask("Stencil Write Mask", Float) = 255
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_StencilReadMask("Stencil Read Mask", Float) = 255
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_ColorMask("Color Mask", Float) = 15
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[KeywordEnum(Circle, Play, Pause, PlayPause, Buffering, Volume, Forward, Back, CC, Options, Spectrum)] UI("UI Element", Float) = 0
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_Morph("Morph", Range(0, 1)) = 0
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_Mute("Mute", Range(0, 1)) = 0
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_Volume("Volume", Range(0, 1)) = 1
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[Toggle(DRAW_OUTLINE)] _DrawOutline("Draw Outline", Float) = 0
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_OutlineSize("Outline Size", Range(0, 0.1)) = 0.05
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_OutlineOpacity("Outline Opacity", Range(0, 1)) = 0.25
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_OutlineSoftness("Outline Softness", Range(0, 1)) = 0
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}
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SubShader
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{
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Tags
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{
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"Queue"="Transparent"
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"IgnoreProjector"="True"
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"RenderType"="Transparent"
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"PreviewType"="Plane"
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"CanUseSpriteAtlas"="True"
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}
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Stencil
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{
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Ref[_Stencil]
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Comp[_StencilComp]
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Pass[_StencilOp]
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ReadMask[_StencilReadMask]
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WriteMask[_StencilWriteMask]
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}
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Cull Off
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Lighting Off
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ZWrite Off
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ZTest[unity_GUIZTestMode]
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Fog{ Mode Off }
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Blend SrcAlpha OneMinusSrcAlpha
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ColorMask[_ColorMask]
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Pass
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{
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#pragma multi_compile UI_CIRCLE UI_PLAY UI_PAUSE UI_PLAYPAUSE UI_BUFFERING UI_VOLUME UI_FORWARD UI_BACK UI_CC UI_OPTIONS UI_SPECTRUM
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#pragma shader_feature DRAW_OUTLINE
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#include "UnityCG.cginc"
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struct appdata_t
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{
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float4 vertex : POSITION;
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float4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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};
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struct v2f
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{
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float4 vertex : SV_POSITION;
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fixed4 color : COLOR;
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half2 uv : TEXCOORD0;
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float4 worldPosition : TEXCOORD1;
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};
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uniform fixed4 _Color;
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uniform float _Morph;
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uniform float _Volume;
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uniform float _Mute;
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uniform float _OutlineSize;
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uniform float _OutlineOpacity;
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uniform float _OutlineSoftness;
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#if UI_SPECTRUM
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#if SHADER_API_GLES
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uniform float _Spectrum[4];
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#else
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uniform float _Spectrum[128];
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#endif
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uniform float _SpectrumRange;
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uniform float _SpectrumMax;
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#endif
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sampler2D _MainTex;
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float4 _MainTex_ST;
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v2f vert(appdata_t IN)
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{
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v2f OUT;
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OUT.worldPosition = IN.vertex;
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OUT.vertex = UnityObjectToClipPos(IN.vertex);
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#ifdef UNITY_HALF_TEXEL_OFFSET
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OUT.vertex.xy += (_ScreenParams.zw - 1.0)*float2(-1, 1);
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#endif
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OUT.uv.xy = IN.texcoord.xy;
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OUT.color = IN.color * _Color;
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return OUT;
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}
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float ndot(float2 a, float2 b) { return a.x*b.x - a.y*b.y; }
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float opU(float d1, float d2) { return min(d1, d2); }
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float opS(float d1, float d2) { return max(-d1, d2); }
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float opI(float d1, float d2) { return max(d1, d2); }
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float sdCircle(in float2 p, float r)
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{
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return length(p) - r;
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}
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float sdRhombus(in float2 p, in float2 b)
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{
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float2 q = abs(p);
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float h = clamp((-2.0*ndot(q, b) + ndot(b, b)) / dot(b, b), -1.0, 1.0);
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float d = length(q - 0.5*b*float2(1.0 - h, 1.0 + h));
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return d * sign(q.x*b.y + q.y*b.x - b.x*b.y);
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}
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float sdEquilateralTriangle(in float2 p)
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{
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const float k = sqrt(3.0);
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p.x = abs(p.x) - 1.0;
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p.y = p.y + 1.0 / k;
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if (p.x + k*p.y > 0.0) p = float2(p.x - k*p.y, -k*p.x - p.y) / 2.0;
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p.x -= clamp(p.x, -2.0, 0.0);
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return -length(p)*sign(p.y);
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}
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float sdTriangle(in float2 p, in float2 p0, in float2 p1, in float2 p2)
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{
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float2 e0 = p1 - p0, e1 = p2 - p1, e2 = p0 - p2;
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float2 v0 = p - p0, v1 = p - p1, v2 = p - p2;
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float2 pq0 = v0 - e0*clamp(dot(v0, e0) / dot(e0, e0), 0.0, 1.0);
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float2 pq1 = v1 - e1*clamp(dot(v1, e1) / dot(e1, e1), 0.0, 1.0);
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float2 pq2 = v2 - e2*clamp(dot(v2, e2) / dot(e2, e2), 0.0, 1.0);
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float s = sign(e0.x*e2.y - e0.y*e2.x);
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float2 d = min(min(float2(dot(pq0, pq0), s*(v0.x*e0.y - v0.y*e0.x)),
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float2(dot(pq1, pq1), s*(v1.x*e1.y - v1.y*e1.x))),
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float2(dot(pq2, pq2), s*(v2.x*e2.y - v2.y*e2.x)));
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return -sqrt(d.x)*sign(d.y);
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}
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float sdTriangleIsosceles(in float2 p, in float2 q)
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{
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p.x = abs(p.x);
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float2 a = p - q*clamp(dot(p, q) / dot(q, q), 0.0, 1.0);
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float2 b = p - q*float2(clamp(p.x / q.x, 0.0, 1.0), 1.0);
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float s = -sign(q.y);
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float2 d = min(float2(dot(a, a), s*(p.x*q.y - p.y*q.x)),
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float2(dot(b, b), s*(p.y - q.y)));
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return -sqrt(d.x)*sign(d.y);
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}
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float sdBox(in float2 p, in float2 b)
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{
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float2 d = abs(p) - b;
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return length(max(d, float2(0.0, 0.0))) + min(max(d.x, d.y), 0.0);
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}
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float sdRoundedBox(in float2 p, in float2 b, in float4 r)
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{
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r.xy = (p.x>0.0)?r.xy : r.zw;
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r.x = (p.y>0.0)?r.x : r.y;
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float2 q = abs(p)-b+r.x;
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return min(max(q.x,q.y),0.0) + length(max(q,0.0)) - r.x;
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}
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float sdArc(in float2 p, in float2 sca, in float2 scb, in float ra, float rb)
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{
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p = mul(float2x2(sca.x,sca.y,-sca.y,sca.x), p);
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p.x = abs(p.x);
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float k = (scb.y*p.x>scb.x*p.y) ? dot(p.xy,scb) : length(p.xy);
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return sqrt( dot(p,p) + ra*ra - 2.0*ra*k ) - rb;
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}
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float2 rotate2d(float2 v, float a)
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{
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float s = sin(a);
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float c = cos(a);
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float2x2 m = float2x2(c, -s, s, c);
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return mul(m,v);
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}
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#if UI_FORWARD || UI_BACK
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float forward(float2 uv)
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{
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float r1 = 100000.0;
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r1 = sdTriangleIsosceles(float2(uv.y, -uv.x) + float2(0.0, 0.333), float2(0.666, 0.666));
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r1 = opS(r1, sdTriangleIsosceles(float2(uv.y, -uv.x) + float2(0.0, 0.333 * 1.5), float2(0.666, 0.666)));
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uv.x += 0.2;
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float r2 = 100000.0;
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r2 = sdTriangleIsosceles(float2(uv.y, -uv.x) + float2(0.0, 0.333), float2(0.666, 0.666));
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//r2 = opS(r2, sdTriangleIsosceles(float2(uv.y, -uv.x) + float2(0.0, 0.333 * 1.5), float2(0.666, 0.666)));
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float r = opU(r1, r2);
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return r;
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}
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#endif
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#if UI_VOLUME
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float volume(float2 uv)
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{
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float r = 100000.0;
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uv.x += 0.25;
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// Cone
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r = opU(r, sdBox(uv + float2(0.1, 0.0), float2(0.25, 0.25)));
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r = opU(r, sdTriangleIsosceles(float2(uv.y, uv.x) + float2(0.0, 0.3), float2(0.6, 0.6)));
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// Ripple occluder
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float s = sdBox(uv + float2(0, 0.0), float2(0.4, 0.7));
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// Ripple thickness
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float rt = 0.15;
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// Ripple 1
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float offset = -0.25;
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if (_Volume > 0.0)
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{
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float t = saturate(_Volume / 0.5);
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r = opU(r, opS(s, sdCircle(uv + float2(offset, 0.0), rt*lerp(1, 2, t))));
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}
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// Ripple 2
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float a;
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//a = sdCircle(uv + float2(offset, 0.0), 0.6 - rt * 3);
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//a = opS(a, opS(s, sdCircle(uv + float2(offset, 0.0), 0.6 - rt * 2)));
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//r = opU(a, r);
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// Ripple 3
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if (_Volume > 0.5)
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{
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float t = saturate((_Volume - 0.5) / 0.5);
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a = sdCircle(uv + float2(offset, 0.0), (0.6 - rt));
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a = opS(a, opS(s, sdCircle(uv + float2(offset, 0.0), lerp(0.6-rt, 0.6, t))));
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r = opU(a, r);
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}
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// Crossout
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if (_Mute > 0.0)
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{
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float maxLength = 0.8;
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float length = _Mute * maxLength;
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{
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// Cutout
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r = opS(-r, -sdBox(rotate2d(uv - float2(0.25, 0), -3.14/4) + float2(-0.1, length/1 - maxLength/1), float2(0.1, length*1)));
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// Line
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r = opU(r, sdBox(rotate2d(uv - float2(0.25, 0), -3.14/4) + float2(0.0, length/1 - maxLength/1), float2(0.1, length*1)));
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}
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}
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return r;
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}
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#endif
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#if UI_CC
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float ccbutton(float2 uv)
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{
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float r = 100000.0;
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float barHeight = 0.1;
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float boxSize = 0.65;
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float r3 = sdRoundedBox(uv, float2(boxSize, boxSize * 0.9), float4(0.25, 0.25, 0.25, 0.25));
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float angle1 = 0.0;
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float angle2 = 2.3;
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float thickeness = 0.08;
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float size = 0.25;
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float rLeftC = sdArc(float2(0.35 + uv.x*1.5, uv.y), float2(sin(angle1), cos(angle1)), float2(sin(angle2), cos(angle2)), size, thickeness);
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float rRightC = sdArc(float2(-0.40 + uv.x*1.5, uv.y), float2(sin(angle1), cos(angle1)), float2(sin(angle2), cos(angle2)), size, thickeness);
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r = opU(rLeftC, rRightC);
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r = opS(r, r3);
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if (_Morph > 0.0)
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{
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float barWidth = lerp(0.0, boxSize, _Morph);
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float r4 = sdBox(uv + float2(0.0, boxSize + barHeight * 2.0), float2(barWidth, barHeight));
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r = opU(r, r4);
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}
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return r;
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}
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#endif
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#if UI_OPTIONS
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float optionsgear(float2 uv, float radius, float discRatio, float holeRatio, float spokeRatio)
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{
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float r = 100000.0;
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float r1 = sdCircle(uv, radius * holeRatio);
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float r2 = sdCircle(uv, radius * discRatio);
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float rotationOffset = lerp(0.0, 3.141592654/6.0, _Morph);
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float b1 = sdBox(rotate2d(uv, (3.141592654 / 2.0) + rotationOffset), float2(radius, radius * spokeRatio));
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float b2 = sdBox(rotate2d(uv, (3.141592654 / 6.0) + rotationOffset), float2(radius, radius * spokeRatio));
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float b3 = sdBox(rotate2d(uv,-(3.141592654 / 6.0) + rotationOffset), float2(radius, radius * spokeRatio));
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r = r2; // Base circle
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r = opU(r, b1); // Spoke 1
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r = opU(r, b2); // Spoke 2
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r = opU(r, b3); // Spoke 3
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r = opS(r1, r); // Hole
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return r;
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}
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#endif
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#if UI_BUFFERING
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float CircularDistance(float a, float b, float range)
|
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|
{
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float d1 = abs(a-b);
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//float d2 = range - d1;
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//return lerp((a-b), d2, d1 / (range/2));
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if (d1 > range/2)
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{
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d1 = (range - d1);
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}
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else
|
||
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{
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d1 = a-b;
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}
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return d1;
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}
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|
#endif
|
||
|
|
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||
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|
fixed4 getColorWithOutline(float d, float3 shapeColor, float3 outlineColor)
|
||
|
|
{
|
||
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|
float dw = fwidth(d) * 0.5;
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||
|
|
float shapeAlpha = smoothstep(dw, -dw, d);
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||
|
|
|
||
|
|
#if !DRAW_OUTLINE
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||
|
|
return float4(shapeColor, shapeAlpha);
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||
|
|
#else
|
||
|
|
|
||
|
|
float od = (d - _OutlineSize);
|
||
|
|
float dw2 = fwidth(od) * 0.5;
|
||
|
|
float outlineAlpha = smoothstep(dw2 + _OutlineSoftness, -dw2 - _OutlineSoftness, od);
|
||
|
|
|
||
|
|
return lerp(float4(outlineColor, outlineAlpha * _OutlineOpacity), float4(shapeColor, shapeAlpha), shapeAlpha);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
fixed4 frag(v2f i) : SV_Target
|
||
|
|
{
|
||
|
|
#if UI_SPECTRUM
|
||
|
|
// In GLES2.0 indexing from the _Spectrum[] array is not supported
|
||
|
|
#if SHADER_API_GLES
|
||
|
|
float v = 0.0;
|
||
|
|
float d = 0.0;
|
||
|
|
#else
|
||
|
|
float x = (pow(i.uv.x, 1.0) * _SpectrumRange)-1.0;
|
||
|
|
//_Spectrum[0] = 0.0;
|
||
|
|
// Bilinear sample the values
|
||
|
|
float scale = (1.0+i.uv.x * 8.0); // Scale higher freqs to give them more movement
|
||
|
|
float v1 = 0.0;
|
||
|
|
float v2 = 0.0;
|
||
|
|
int t1 = floor(x);
|
||
|
|
int t2 = ceil(x);
|
||
|
|
if (t1 >= 0)
|
||
|
|
{
|
||
|
|
v1 = (_Spectrum[t1] * scale);
|
||
|
|
}
|
||
|
|
if (t2 >= 0)
|
||
|
|
{
|
||
|
|
v2 = (_Spectrum[t2] * scale);
|
||
|
|
}
|
||
|
|
v1 = max(v1, 0.01);
|
||
|
|
v2 = max(v2, 0.01);
|
||
|
|
float2 uvn = float2(0.0, i.uv.y);
|
||
|
|
// Get vertical distance
|
||
|
|
float d1 = (abs(i.uv.y - 0.5) - (v1/1.0));
|
||
|
|
float d2 = (abs(i.uv.y - 0.5) - (v2/1.0));
|
||
|
|
// Interpolate
|
||
|
|
float xf = frac(x);
|
||
|
|
float v = saturate(lerp(v1, v2, xf));
|
||
|
|
float d = lerp(d1, d2, xf);
|
||
|
|
#endif
|
||
|
|
// Get colour from texture
|
||
|
|
float yy2 = abs(i.uv.y - 0.5) * 2.0;
|
||
|
|
float yy = v;
|
||
|
|
float level = i.uv.y;// + pow(yy2+v, 8);
|
||
|
|
float3 col = level;//tex2D(_MainTex, float2(level, 0.0f));
|
||
|
|
//col.g += abs(i.uv.x);
|
||
|
|
return getColorWithOutline(d, col, float3(0.0, 0.0, 0.0)) * i.color;
|
||
|
|
#else
|
||
|
|
#if UI_CIRCLE
|
||
|
|
float2 uvn = (i.uv.xy - 0.5) / 0.5;
|
||
|
|
float d = sdCircle(uvn, 1.0);
|
||
|
|
#elif UI_PLAY
|
||
|
|
float2 uvn = (i.uv.xy - float2(0.5, 0.5)) / 0.5;
|
||
|
|
float d = sdTriangle(uvn, float2(-0.6, 0.6), float2(0.6, 0), float2(-0.6, -0.6));
|
||
|
|
|
||
|
|
#elif UI_PAUSE
|
||
|
|
float d1 = sdBox(i.uv - 0.5 + float2(0.2, 0.0), float2(0.1, 0.3));
|
||
|
|
float d2 = sdBox(i.uv - 0.5 - float2(0.2, 0.0), float2(0.1, 0.3));
|
||
|
|
float d = min(d1, d2);
|
||
|
|
//c = 1.0 - saturate(smoothstep(dw-0.022, -dw, d))*0.2;
|
||
|
|
#elif UI_PLAYPAUSE
|
||
|
|
float2 uvn = (i.uv.xy - float2(0.5, 0.5)) / 0.5;
|
||
|
|
float d3 = sdTriangle(uvn, float2(-0.6, 0.6), float2(0.6, 0), float2(-0.6, -0.6));
|
||
|
|
|
||
|
|
float d1 = sdBox(i.uv - 0.5 + float2(0.2, 0.0), float2(0.1, 0.3));
|
||
|
|
float d2 = sdBox(i.uv - 0.5 - float2(0.2, 0.0), float2(0.1, 0.3));
|
||
|
|
float d = min(d1, d2);
|
||
|
|
|
||
|
|
float dw1 = fwidth(d) * 0.5;
|
||
|
|
float dw3 = fwidth(d3) * 0.5;
|
||
|
|
float dw = lerp(dw1, dw3, _Morph);
|
||
|
|
//a = smoothstep(dw, -dw, lerp(d, d3, _Morph));
|
||
|
|
d = lerp(d, d3, _Morph);
|
||
|
|
//c = 1.0 - saturate(smoothstep(-0.025, 0, lerp(d, d3, _Morph)))*0.2;
|
||
|
|
#elif UI_BUFFERING
|
||
|
|
float rsize = 0.05;
|
||
|
|
float r = 0.5;
|
||
|
|
float2 uvn = (i.uv.xy - 0.5) / 0.5;
|
||
|
|
|
||
|
|
// Inner radius
|
||
|
|
float d = sdCircle(uvn, r - rsize);
|
||
|
|
|
||
|
|
// Outer radius
|
||
|
|
d = opS(d, sdCircle(uvn, r + rsize));
|
||
|
|
|
||
|
|
// Animation angle
|
||
|
|
float za = -(_Time.x * 160) + cos(_Time.y*2.0);
|
||
|
|
float zz = sin(_Time.y);
|
||
|
|
|
||
|
|
// Create point at the animated angle, at the same radius as this UV
|
||
|
|
float2 dp = float2(sin(za), cos(za)) * length(uvn);
|
||
|
|
|
||
|
|
// Calculate angle between the UV and the new point and subtract offset
|
||
|
|
float dy = abs(atan((dp.x - uvn.x)/(dp.y - uvn.y))) - abs(zz);
|
||
|
|
d = opI(d, dy);
|
||
|
|
|
||
|
|
#elif UI_VOLUME
|
||
|
|
float2 uvn = (i.uv.xy - 0.5) / 0.5;
|
||
|
|
float d = volume(uvn);
|
||
|
|
#elif UI_FORWARD
|
||
|
|
float2 uvn = (i.uv.xy - 0.5) / 0.5;
|
||
|
|
float d = forward(uvn);
|
||
|
|
#elif UI_BACK
|
||
|
|
float2 uvn = (i.uv.xy - 0.5) / 0.5;
|
||
|
|
float d = forward(float2(-uvn.x, uvn.y));
|
||
|
|
#elif UI_CC
|
||
|
|
float2 uvn = (i.uv.xy - 0.5) / 0.5;
|
||
|
|
float d = ccbutton(uvn);
|
||
|
|
#elif UI_OPTIONS
|
||
|
|
float2 uvn = (i.uv.xy - 0.5) / 0.5;
|
||
|
|
float d = optionsgear(uvn, 0.75, 0.75, 0.35, 0.25);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return getColorWithOutline(d, float3(1.0, 1.0, 1.0), float3(0.0, 0.0, 0.0)) * i.color;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
ENDCG
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|