15 lines
1.4 KiB
C#
15 lines
1.4 KiB
C#
using StgSharp;
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace StgSharp
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{
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internal partial class InternalIO
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{
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internal const string CollisionTextureVertexShader ="#version 430 core\r\n\r\nlayout(location = 0) in vec2 localCollisionCoord;\r\nlayout(location = 1) in vec2 spaceCoord;\r\nlayout(location = 2) in float rotation;\r\nlayout(location = 3) in float scaling;\r\n\r\nuniform vec2 target;\r\nuniform mat2 projection;\r\n\r\nvoid main()\r\n{\r\n mat2 scaling = mat2(\r\n scaling,0,\r\n 0,scaling\r\n );\r\n mat2 rotation = mat2(\r\n cos(rotation),-sin(rotation),\r\n sin(rotation),cos(rotation) \r\n );\r\n vec2 realCoord = (rotation * scaling * localCollisionCoord) + spaceCoord - target;\r\n realCoord = projection * realCoord;\r\n\r\n float dist = distance(realCoord, vec2(0,0));\r\n float angle = atan(realCoord.y, realCoord.x);\r\n \r\n gl_Position = vec4(angle, realCoord.y, dist, 1);\r\n}";
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internal const string CollisionTextureFragmentShader = "#version 430 core\r\n\r\nout vec4 Color;\r\n\r\nuniform float range;\r\n\r\nvoid main()\r\n{\r\n float dist = gl_FragCoord.z;\r\n\r\n if(dist > range)\r\n {\r\n discard;\r\n }\r\n dist /= range;\r\n gl_FragDepth = min(dist, gl_FragDepth);\r\n\r\n Color = vec4(dist,0,0,1);\r\n}";
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}
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}
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