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attribute vec4 attr_TexCoord0;
#if defined(USE_LIGHTMAP) || defined(USE_TCGEN)
attribute vec4 attr_TexCoord1;
#endif
attribute vec4 attr_Color;
attribute vec4 attr_Position;
attribute vec3 attr_Normal;
#if defined(USE_VERT_TANGENT_SPACE)
attribute vec3 attr_Tangent;
attribute vec3 attr_Bitangent;
#endif
#if defined(USE_VERTEX_ANIMATION)
attribute vec4 attr_Position2;
attribute vec3 attr_Normal2;
#if defined(USE_VERT_TANGENT_SPACE)
attribute vec3 attr_Tangent2;
attribute vec3 attr_Bitangent2;
#endif
#endif
#if defined(USE_LIGHT) && !defined(USE_LIGHT_VECTOR)
attribute vec3 attr_LightDirection;
#endif
#if defined(USE_TCGEN) || defined(USE_NORMALMAP) || defined(USE_LIGHT) && !defined(USE_FAST_LIGHT)
uniform vec3 u_ViewOrigin;
#endif
#if defined(USE_TCGEN)
uniform int u_TCGen0;
uniform vec3 u_TCGen0Vector0;
uniform vec3 u_TCGen0Vector1;
#endif
#if defined(USE_TCMOD)
uniform vec4 u_DiffuseTexMatrix;
uniform vec4 u_DiffuseTexOffTurb;
#endif
uniform mat4 u_ModelViewProjectionMatrix;
uniform vec4 u_BaseColor;
uniform vec4 u_VertColor;
#if defined(USE_MODELMATRIX)
uniform mat4 u_ModelMatrix;
#endif
#if defined(USE_VERTEX_ANIMATION)
uniform float u_VertexLerp;
#endif
#if defined(USE_LIGHT_VECTOR)
uniform vec4 u_LightOrigin;
#if defined(USE_FAST_LIGHT)
uniform vec3 u_DirectedLight;
uniform vec3 u_AmbientLight;
uniform float u_LightRadius;
#endif
#endif
varying vec2 var_DiffuseTex;
#if defined(USE_LIGHTMAP)
varying vec2 var_LightTex;
#endif
#if defined(USE_TCGEN) || defined(USE_NORMALMAP) || (defined(USE_LIGHT) && !defined(USE_FAST_LIGHT))
varying vec3 var_SampleToView;
#endif
varying vec4 var_Color;
#if defined(USE_NORMALMAP) && !defined(USE_VERT_TANGENT_SPACE)
varying vec3 var_Position;
#endif
#if !defined(USE_FAST_LIGHT)
varying vec3 var_Normal;
#if defined(USE_VERT_TANGENT_SPACE)
varying vec3 var_Tangent;
varying vec3 var_Bitangent;
#endif
#endif
#if defined(USE_LIGHT_VERTEX) && !defined(USE_FAST_LIGHT)
varying vec3 var_VertLight;
#endif
#if defined(USE_LIGHT) && !defined(USE_DELUXEMAP) && !defined(USE_FAST_LIGHT)
varying vec3 var_WorldLight;
#endif
#if defined(USE_TCGEN)
vec2 GenTexCoords(int TCGen, vec3 position, vec3 normal, vec3 TCGenVector0, vec3 TCGenVector1)
{
vec2 tex = attr_TexCoord0.st;
if (TCGen == TCGEN_LIGHTMAP)
{
tex = attr_TexCoord1.st;
}
else if (TCGen == TCGEN_ENVIRONMENT_MAPPED)
{
vec3 viewer = normalize(u_ViewOrigin - position);
tex = -reflect(viewer, normal).yz * vec2(0.5, -0.5) + 0.5;
}
else if (TCGen == TCGEN_VECTOR)
{
tex = vec2(dot(position, TCGenVector0), dot(position, TCGenVector1));
}
return tex;
}
#endif
#if defined(USE_TCMOD)
vec2 ModTexCoords(vec2 st, vec3 position, vec4 texMatrix, vec4 offTurb)
{
float amplitude = offTurb.z;
float phase = offTurb.w;
vec2 st2 = vec2(dot(st, texMatrix.xz), dot(st, texMatrix.yw)) + offTurb.xy;
vec3 offsetPos = position / 1024.0;
offsetPos.x += offsetPos.z;
vec2 texOffset = sin((offsetPos.xy + vec2(phase)) * 2.0 * M_PI);
return st2 + texOffset * amplitude;
}
#endif
void main()
{
#if defined(USE_VERTEX_ANIMATION)
vec4 position = mix(attr_Position, attr_Position2, u_VertexLerp);
vec3 normal = normalize(mix(attr_Normal, attr_Normal2, u_VertexLerp));
#if defined(USE_VERT_TANGENT_SPACE)
vec3 tangent = normalize(mix(attr_Tangent, attr_Tangent2, u_VertexLerp));
vec3 bitangent = normalize(mix(attr_Bitangent, attr_Bitangent2, u_VertexLerp));
#endif
#else
vec4 position = attr_Position;
vec3 normal = attr_Normal;
#if defined(USE_VERT_TANGENT_SPACE)
vec3 tangent = attr_Tangent;
vec3 bitangent = attr_Bitangent;
#endif
#endif
gl_Position = u_ModelViewProjectionMatrix * position;
#if (defined(USE_LIGHTMAP) || defined(USE_LIGHT_VERTEX)) && !defined(USE_DELUXEMAP) && !defined(USE_FAST_LIGHT)
vec3 worldLight = attr_LightDirection;
#endif
#if defined(USE_MODELMATRIX)
position = u_ModelMatrix * position;
normal = (u_ModelMatrix * vec4(normal, 0.0)).xyz;
#if defined(USE_VERT_TANGENT_SPACE)
tangent = (u_ModelMatrix * vec4(tangent, 0.0)).xyz;
bitangent = (u_ModelMatrix * vec4(bitangent, 0.0)).xyz;
#endif
#if defined(USE_LIGHTMAP) && !defined(USE_DELUXEMAP) && !defined(USE_FAST_LIGHT)
worldLight = (u_ModelMatrix * vec4(worldLight, 0.0)).xyz;
#endif
#endif
#if defined(USE_NORMALMAP) && !defined(USE_VERT_TANGENT_SPACE)
var_Position = position.xyz;
#endif
#if defined(USE_TCGEN) || defined(USE_NORMALMAP) || defined(USE_LIGHT) && !defined(USE_FAST_LIGHT)
vec3 SampleToView = u_ViewOrigin - position.xyz;
#endif
#if defined(USE_TCGEN) || defined(USE_NORMALMAP) || (defined(USE_LIGHT) && !defined(USE_FAST_LIGHT))
var_SampleToView = SampleToView;
#endif
#if defined(USE_TCGEN)
vec2 tex = GenTexCoords(u_TCGen0, position.xyz, normal, u_TCGen0Vector0, u_TCGen0Vector1);
#else
vec2 tex = attr_TexCoord0.st;
#endif
#if defined(USE_TCMOD)
var_DiffuseTex = ModTexCoords(tex, position.xyz, u_DiffuseTexMatrix, u_DiffuseTexOffTurb);
#else
var_DiffuseTex = tex;
#endif
#if defined(USE_LIGHTMAP)
var_LightTex = attr_TexCoord1.st;
#endif
#if !defined(USE_FAST_LIGHT)
var_Normal = normal;
#if defined(USE_VERT_TANGENT_SPACE)
var_Tangent = tangent;
var_Bitangent = bitangent;
#endif
#endif
#if defined(USE_LIGHT) && !defined(USE_DELUXEMAP)
#if defined(USE_LIGHT_VECTOR)
vec3 worldLight = u_LightOrigin.xyz - (position.xyz * u_LightOrigin.w);
#endif
#if !defined(USE_FAST_LIGHT)
var_WorldLight = worldLight;
#endif
#endif
#if defined(USE_LIGHT_VERTEX) && !defined(USE_FAST_LIGHT)
var_VertLight = u_VertColor.rgb * attr_Color.rgb;
var_Color.rgb = vec3(1.0);
var_Color.a = u_VertColor.a * attr_Color.a + u_BaseColor.a;
#else
var_Color = u_VertColor * attr_Color + u_BaseColor;
#endif
#if defined(USE_LIGHT_VECTOR) && defined(USE_FAST_LIGHT)
#if defined(USE_INVSQRLIGHT)
float intensity = 1.0 / dot(worldLight, worldLight);
#else
float intensity = clamp((1.0 - dot(worldLight, worldLight) / (u_LightRadius * u_LightRadius)) * 1.07, 0.0, 1.0);
#endif
float NL = clamp(dot(normal, normalize(worldLight)), 0.0, 1.0);
var_Color.rgb *= u_DirectedLight * intensity * NL + u_AmbientLight;
#endif
}
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