26 lines
496 B
Plaintext
26 lines
496 B
Plaintext
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vec3 localToWorld( vec3 _VERTEX, mat4 _MODEL_MATRIX )
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{
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return ( _MODEL_MATRIX * vec4( _VERTEX, 1.0 ) ).xyz;
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}
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vec3 worldToLocal( vec3 _VERTEX, mat4 _MODEL_MATRIX )
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{
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return ( inverse( _MODEL_MATRIX ) * vec4( _VERTEX, 1.0 ) ).xyz;
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}
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vec2 tilingOffset( vec2 uv, vec4 tilingOffset )
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{
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uv *= tilingOffset.xy;
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uv += tilingOffset.zw;
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return uv;
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}
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vec2 tilingOffsetRepeat( vec2 uv, vec4 tilingOffset )
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{
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uv *= tilingOffset.xy;
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uv += tilingOffset.zw;
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return mod( uv, vec2(1,1) );
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} |