mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-12-12 17:21:08 -05:00
56 lines
1.3 KiB
Text
56 lines
1.3 KiB
Text
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 vertex;
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vec4 color;
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vec3 texcoord;
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};
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struct appdata_t {
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vec4 vertex;
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vec4 color;
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vec3 normal;
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};
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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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vec3 ObjSpaceViewDir( in vec4 v );
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v2f vert( in appdata_t v );
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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_t v ) {
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v2f o;
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vec3 viewDir;
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o.vertex = ( gl_ModelViewProjectionMatrix * v.vertex );
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viewDir = ( -normalize( ObjSpaceViewDir( v.vertex) ) );
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o.texcoord = reflect( viewDir, v.normal);
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o.texcoord = vec3( ( gl_ModelViewMatrix * vec4( o.texcoord, 0.000000) ));
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o.color = v.color;
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return o;
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}
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void main() {
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v2f xl_retval;
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appdata_t xlt_v;
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xlt_v.vertex = vec4( gl_Vertex);
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xlt_v.color = vec4( gl_Color);
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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.vertex);
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gl_FrontColor = vec4( xl_retval.color);
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gl_TexCoord[0] = vec4( xl_retval.texcoord, 0.0);
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}
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