mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-12-04 21:31:11 -05:00
65 lines
1.7 KiB
Text
65 lines
1.7 KiB
Text
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struct v2f_vertex_lit {
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vec2 uv;
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vec4 diff;
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vec4 spec;
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};
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struct v2f_img {
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vec4 pos;
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vec2 uv;
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};
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struct appdata_img {
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vec4 vertex;
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vec2 texcoord;
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};
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struct v2f {
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vec4 pos;
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float fog;
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vec2 bumpuv[2];
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vec3 viewDir;
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};
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struct appdata {
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vec4 vertex;
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vec3 normal;
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};
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uniform vec4 _WaveOffset;
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uniform float _WaveScale;
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uniform mat4 _World2Object;
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uniform vec3 _WorldSpaceCameraPos;
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uniform vec4 unity_Scale;
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void PositionFog( in vec4 v, out vec4 pos, out float fog );
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vec3 ObjSpaceViewDir( in vec4 v );
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v2f vert( in appdata v );
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void PositionFog( in vec4 v, out vec4 pos, out float fog ) {
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pos = ( gl_ModelViewProjectionMatrix * v );
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fog = pos.z ;
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}
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vec3 ObjSpaceViewDir( in vec4 v ) {
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vec3 objSpaceCameraPos;
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objSpaceCameraPos = (( _World2Object * vec4( _WorldSpaceCameraPos.xyz , 1.00000) ).xyz * unity_Scale.w );
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return (objSpaceCameraPos - v.xyz );
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}
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v2f vert( in appdata v ) {
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v2f o;
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vec4 temp;
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PositionFog( v.vertex, o.pos, o.fog);
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temp.xyzw = ((v.vertex.xzxz * _WaveScale) + _WaveOffset);
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o.bumpuv[ 0 ] = (temp.xy * vec2( 0.400000, 0.450000));
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o.bumpuv[ 1 ] = temp.wz ;
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o.viewDir.xzy = normalize( ObjSpaceViewDir( v.vertex) );
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return o;
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}
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varying vec4 xlv_FOG;
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void main() {
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v2f xl_retval;
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appdata xlt_v;
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xlt_v.vertex = vec4( gl_Vertex);
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xlt_v.normal = vec3( gl_Normal);
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xl_retval = vert( xlt_v);
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gl_Position = vec4( xl_retval.pos);
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xlv_FOG = vec4( xl_retval.fog, 0.0, 0.0, 0.0);
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gl_TexCoord[0] = vec4( xl_retval.bumpuv[0], 0.0, 0.0);
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gl_TexCoord[1] = vec4( xl_retval.bumpuv[1], 0.0, 0.0);
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gl_TexCoord[2] = vec4( xl_retval.viewDir, 0.0);
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}
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