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n =1
LoadObjectWithChildren(n, "obj/mob.dae")
SetObjectScreenCulling(n,0)
SetObjectImage(n,iMob+6,0)
SetObjectImage(n,Shader[4],1)
// SetObjectShader(n,5)	// uncommented, the animation doesn't work
// SetObjectRotation(n,90,0,0) // neede if I use the shader
SetObjectAnimationSpeed(n,20)
PlayObjectAnimation(n, "", 0, 5, 1, 0)
SetObjectScalePermanent(n,10,10,10)

// anim shadows and lightmap shader
attribute vec3 position;
attribute vec3 normal;
attribute vec2 uv;
attribute vec4 boneweights;
attribute vec4 boneindices;

uniform vec4 agk_bonequats1[40];
uniform vec4 agk_bonequats2[40];

varying vec2 uv0Varying;
varying vec2 uv1Varying;
uniform vec4 uvBounds0;

uniform mat4 agk_ViewProj;
uniform mat4 agk_World;

vec3 transformDQ( vec3 p, vec4 q1, vec4 q2 )
{
   p += 2.0 * cross( q1.xyz, cross(q1.xyz, p) + q1.w*p );
   p += 2.0 * (q1.w*q2.xyz - q2.w*q1.xyz + cross(q1.xyz,q2.xyz));
   return p;
}
void main()
{ 
   vec4 q1 = agk_bonequats1[ int(boneindices.x) ] * boneweights.x;
   q1 += agk_bonequats1[ int(boneindices.y) ] * boneweights.y;
   q1 += agk_bonequats1[ int(boneindices.z) ] * boneweights.z;
   q1 += agk_bonequats1[ int(boneindices.w) ] * boneweights.w;
   vec4 q2 = agk_bonequats2[ int(boneindices.x) ] * boneweights.x;
   q2 += agk_bonequats2[ int(boneindices.y) ] * boneweights.y;
   q2 += agk_bonequats2[ int(boneindices.z) ] * boneweights.z;
   q2 += agk_bonequats2[ int(boneindices.w) ] * boneweights.w;
   float len = 1.0/length(q1);
   q1 *= len;
   q2 = (q2 - q1*dot(q1,q2)) * len;
   vec4 pos = vec4( transformDQ(position,q1,q2), 1.0 );
   gl_Position = agk_ViewProj * pos;
   uv0Varying = uv * uvBounds0.xy + uvBounds0.zw;
   vec2 modmyxz = vec2( mod (640.0-pos.x, 1280.0), mod (480.0-pos.z, 960.0));
   uv1Varying = modmyxz / vec2 (1280.0*1.25, 960.0) ;
}

// anim shadows and lightmap shader
uniform sampler2D texture0;
uniform sampler2D texture1; 
uniform vec4 agk_MeshDiffuse;
varying vec2 uv0Varying;
varying vec2 uv1Varying;
varying vec3 shadowcolor;
void main()
{
 vec4 tex1 = texture2D(texture0, uv0Varying);
 vec4 tex2 = texture2D(texture1, uv1Varying);
 gl_FragColor = tex1 * (tex2*2.0) * vec4((tex2.aaa*2.0),1.0) * agk_MeshDiffuse;
}

vec4 pos = agk_World * vec4(position,1.0);	// my original pos
 gl_Position = agk_ViewProj * pos;   
 uvNormal = normalize((agk_WorldViewProj * vec4(normal, 0.0)).xyz).xy*0.3+0.50; // uvNormal for 2nd texture layer

 
vec4 pos = vec4( transformDQ(position,q1,q2), 1.0 );
 gl_Position = agk_ViewProj * pos;  

// I add the uvNormal for the second texture layer
 uvNormal = normalize((agk_WorldViewProj * vec4(normal, 0.0)).xyz).xy*0.3+0.50; 

uv1Varying = normalize((agk_WorldViewProj * vec4(normal, 0.0)).xyz).xy*0.3 + 0.5;

normalVarying = normal + 2.0*cross( q1.xyz, cross(q1.xyz,normal) + q1.w*normal );
uv1Varying = normalize((agk_ViewProj * vec4(normalVarying, 0.0)).xyz).xy*0.3 + 0.5;