public static HyperVector3 Diagonal( Vector3 vec3 )
{
HyperVector3 hvec = new HyperVector3();
hvec.Cascade( vec3 );
return hvec;
}
public static HyperVector3 Normalize( HyperVector3 hvec )
{
hvec.Normalize();
return hvec;
}
private Vector3 ComputeCameraPosition( Player p )
{
Vector3 playerPos = p.CubePosition;
Vector3 normal = p.Normal;
HyperVector3 cubePos = new HyperVector3( playerPos );
cubePos.Cascade( normal );
const float sqrt2 = 1.41421356237f;
Vector3 bias = cubePos.Coalesce(
v => MathTools.TransformRange( (v / Cube.Scale).Length(), .9f * sqrt2, sqrt2, 0, 1, true ) );
Vector3 defaultPos = normal * (Cube.CameraDistance - 1) + playerPos;
//defaultPos = defaultPos.ChangeLength( Cube.CameraDistance );
HyperVector3 projPos = cubePos.ChangeLength( Cube.CameraDistance );
projPos.Cascade( defaultPos );
Vector3 projPosA, projPosB;
float biasA, biasB;
#region Project and bias setup
switch ( normal.LargestComponent() )
{
case Vector3Component.X:
projPosA = projPos.Y;
projPosB = projPos.Z;
biasA = bias.Y;
biasB = bias.Z;
break;
case Vector3Component.Y:
projPosA = projPos.X;
projPosB = projPos.Z;
biasA = bias.X;
biasB = bias.Z;
break;
case Vector3Component.Z:
projPosA = projPos.Y;
projPosB = projPos.X;
biasA = bias.Y;
biasB = bias.X;
break;
default:
throw new EnumException<Vector3Component>( "switch statement" );
}
#endregion
return VectorUtils.Slerp(
defaultPos.Slerp( projPosA, biasA ),
defaultPos.Slerp( projPosB, biasB ),
MathTools.TransformRange( biasB - biasA, -1, 1, 0, 1 ) );
}