Babylon.js/materialsLibrary/materials/pbr/legacypbr.vertex.fx

precision mediump float;

// Attributes
attribute vec3 position;
attribute vec3 normal;
#ifdef UV1
attribute vec2 uv;
#endif
#ifdef UV2
attribute vec2 uv2;
#endif
#ifdef VERTEXCOLOR
attribute vec4 color;
#endif

#include<bonesDeclaration>

// Uniforms
uniform mat4 world;
uniform mat4 view;
uniform mat4 viewProjection;

#ifdef ALBEDO
varying vec2 vAlbedoUV;
uniform mat4 albedoMatrix;
uniform vec2 vAlbedoInfos;
#endif

#ifdef AMBIENT
varying vec2 vAmbientUV;
uniform mat4 ambientMatrix;
uniform vec2 vAmbientInfos;
#endif

#ifdef OPACITY
varying vec2 vOpacityUV;
uniform mat4 opacityMatrix;
uniform vec2 vOpacityInfos;
#endif

#ifdef EMISSIVE
varying vec2 vEmissiveUV;
uniform vec2 vEmissiveInfos;
uniform mat4 emissiveMatrix;
#endif

#if defined(REFLECTIVITY)
varying vec2 vReflectivityUV;
uniform vec2 vReflectivityInfos;
uniform mat4 reflectivityMatrix;
#endif

// Output
varying vec3 vPositionW;
varying vec3 vNormalW;

#ifdef VERTEXCOLOR
varying vec4 vColor;
#endif

#include<clipPlaneVertexDeclaration>

void main(void) {
    mat4 finalWorld = world;

#include<bonesVertex>

    finalWorld = finalWorld * influence;
#endif

	gl_Position = viewProjection * finalWorld * vec4(position, 1.0);

	vec4 worldPos = finalWorld * vec4(position, 1.0);
	vPositionW = vec3(worldPos);
	vNormalW = normalize(vec3(finalWorld * vec4(normal, 0.0)));

	// Texture coordinates
#ifndef UV1
	vec2 uv = vec2(0., 0.);
#endif
#ifndef UV2
	vec2 uv2 = vec2(0., 0.);
#endif

#ifdef ALBEDO
	if (vAlbedoInfos.x == 0.)
	{
		vAlbedoUV = vec2(albedoMatrix * vec4(uv, 1.0, 0.0));
	}
	else
	{
		vAlbedoUV = vec2(albedoMatrix * vec4(uv2, 1.0, 0.0));
	}
#endif

#ifdef AMBIENT
	if (vAmbientInfos.x == 0.)
	{
		vAmbientUV = vec2(ambientMatrix * vec4(uv, 1.0, 0.0));
	}
	else
	{
		vAmbientUV = vec2(ambientMatrix * vec4(uv2, 1.0, 0.0));
	}
#endif

#ifdef OPACITY
	if (vOpacityInfos.x == 0.)
	{
		vOpacityUV = vec2(opacityMatrix * vec4(uv, 1.0, 0.0));
	}
	else
	{
		vOpacityUV = vec2(opacityMatrix * vec4(uv2, 1.0, 0.0));
	}
#endif

#ifdef EMISSIVE
	if (vEmissiveInfos.x == 0.)
	{
		vEmissiveUV = vec2(emissiveMatrix * vec4(uv, 1.0, 0.0));
	}
	else
	{
		vEmissiveUV = vec2(emissiveMatrix * vec4(uv2, 1.0, 0.0));
	}
#endif

#if defined(REFLECTIVITY)
	if (vReflectivityInfos.x == 0.)
	{
		vReflectivityUV = vec2(reflectivityMatrix * vec4(uv, 1.0, 0.0));
	}
	else
	{
		vReflectivityUV = vec2(reflectivityMatrix * vec4(uv2, 1.0, 0.0));
	}
#endif

#include<clipPlaneVertex>

	// Vertex color
#ifdef VERTEXCOLOR
	vColor = color;
#endif
}