mirror of
https://github.com/nzp-team/fteqw.git
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a85f3c5c71
make sure demos freeze at the start, instead of reading everything out of the file while we're still loading content. added a couple of lame 'list' commands. added 'in' command. git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4928 fc73d0e0-1445-4013-8a0c-d673dee63da5
28 lines
538 B
GLSL
28 lines
538 B
GLSL
!!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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