130 lines
2.2 KiB
GLSL
130 lines
2.2 KiB
GLSL
#include <animation.glsl>
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in vec3 a_Position;
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out vec3 v_Position;
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#ifdef HAS_NORMALS
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in vec3 a_Normal;
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#endif
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#ifdef HAS_TANGENTS
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in vec4 a_Tangent;
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#endif
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#ifdef HAS_NORMALS
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#ifdef HAS_TANGENTS
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out mat3 v_TBN;
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#else
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out vec3 v_Normal;
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#endif
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#endif
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#ifdef HAS_UV_SET1
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in vec2 a_UV1;
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#endif
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#ifdef HAS_UV_SET2
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in vec2 a_UV2;
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#endif
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out vec2 v_UVCoord1;
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out vec2 v_UVCoord2;
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#ifdef HAS_VERTEX_COLOR_VEC3
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in vec3 a_Color;
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out vec3 v_Color;
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#endif
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#ifdef HAS_VERTEX_COLOR_VEC4
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in vec4 a_Color;
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out vec4 v_Color;
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#endif
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uniform mat4 u_ViewProjectionMatrix;
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uniform mat4 u_ModelMatrix;
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uniform mat4 u_NormalMatrix;
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vec4 getPosition()
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{
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vec4 pos = vec4(a_Position, 1.0);
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#ifdef USE_MORPHING
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pos += getTargetPosition();
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#endif
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#ifdef USE_SKINNING
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pos = getSkinningMatrix() * pos;
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#endif
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return pos;
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}
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#ifdef HAS_NORMALS
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vec3 getNormal()
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{
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vec3 normal = a_Normal;
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#ifdef USE_MORPHING
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normal += getTargetNormal();
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#endif
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#ifdef USE_SKINNING
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normal = mat3(getSkinningNormalMatrix()) * normal;
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#endif
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return normalize(normal);
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}
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#endif
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#ifdef HAS_TANGENTS
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vec3 getTangent()
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{
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vec3 tangent = a_Tangent.xyz;
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#ifdef USE_MORPHING
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tangent += getTargetTangent();
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#endif
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#ifdef USE_SKINNING
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tangent = mat3(getSkinningMatrix()) * tangent;
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#endif
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return normalize(tangent);
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}
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#endif
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void main()
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{
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vec4 pos = u_ModelMatrix * getPosition();
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v_Position = vec3(pos.xyz) / pos.w;
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#ifdef HAS_NORMALS
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#ifdef HAS_TANGENTS
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vec3 tangent = getTangent();
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vec3 normalW = normalize(vec3(u_NormalMatrix * vec4(getNormal(), 0.0)));
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vec3 tangentW = normalize(vec3(u_ModelMatrix * vec4(tangent, 0.0)));
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vec3 bitangentW = cross(normalW, tangentW) * a_Tangent.w;
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v_TBN = mat3(tangentW, bitangentW, normalW);
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#else // !HAS_TANGENTS
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v_Normal = normalize(vec3(u_NormalMatrix * vec4(getNormal(), 0.0)));
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#endif
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#endif // !HAS_NORMALS
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v_UVCoord1 = vec2(0.0, 0.0);
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v_UVCoord2 = vec2(0.0, 0.0);
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#ifdef HAS_UV_SET1
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v_UVCoord1 = a_UV1;
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#endif
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#ifdef HAS_UV_SET2
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v_UVCoord2 = a_UV2;
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#endif
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#if defined(HAS_VERTEX_COLOR_VEC3) || defined(HAS_VERTEX_COLOR_VEC4)
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v_Color = a_Color;
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#endif
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gl_Position = u_ViewProjectionMatrix * pos;
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}
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