29 lines
539 B
Text
29 lines
539 B
Text
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!!cvarf ffov
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//panoramic view rendering, for promo map shots or whatever.
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#ifdef VERTEX_SHADER
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attribute vec2 v_texcoord;
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varying vec2 texcoord;
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void main()
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{
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texcoord = v_texcoord.xy;
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gl_Position = ftetransform();
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}
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#endif
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#ifdef FRAGMENT_SHADER
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uniform samplerCube s_t0;
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varying vec2 texcoord;
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uniform float cvar_ffov;
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void main()
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{
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vec3 tc;
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float ang;
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ang = texcoord.x*-radians(cvar_ffov);
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tc.x = sin(ang);
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tc.y = -texcoord.y;
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tc.z = cos(ang);
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gl_FragColor = textureCube(s_t0, tc);
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}
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#endif
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