public static float angle(warp_Vector a, warp_Vector b)
// returns the angle between 2 vectors
{
a.normalize();
b.normalize();
return(a.x * b.x + a.y * b.y + a.z * b.z);
}
void rebuildMatrices()
{
if (!needsRebuild)
{
return;
}
needsRebuild = false;
warp_Vector forward, up, right;
forward = warp_Vector.sub(lookat, pos);
up = new warp_Vector(0f, 1f, 0f);
right = warp_Vector.getNormal(up, forward);
up = warp_Vector.getNormal(forward, right);
forward.normalize();
up.normalize();
right.normalize();
normalmatrix = new warp_Matrix(right, up, forward);
normalmatrix.rotate(0, 0, rollfactor);
matrix = normalmatrix.getClone();
matrix.shift(pos.x, pos.y, pos.z);
normalmatrix = normalmatrix.inverse();
matrix = matrix.inverse();
}
public warp_Light(warp_Vector direction, int diffuse, int specular, int highlightSheen, int highlightSpread)
{
v = direction.getClone();
v.normalize();
this.diffuse = diffuse;
this.specular = specular;
this.highlightSheen = highlightSheen;
this.highlightSpread = highlightSpread;
}
public warp_Light(warp_Vector direction, int color, int highlightSheen, int highlightSpread)
{
v = direction.getClone();
v.normalize();
this.diffuse = color;
this.specular = color;
this.highlightSheen = highlightSheen;
this.highlightSpread = highlightSpread;
}
public warp_Light(warp_Vector direction, int diffuse, int specular, int highlightSheen, int highlightSpread)
{
v = direction;
v.normalize();
this.diffuse = diffuse;
this.specular = specular;
this.highlightSheen = highlightSheen;
this.highlightSpread = highlightSpread;
}
public warp_Light(warp_Vector direction, int color, int highlightSheen, int highlightSpread)
{
v = direction;
v.normalize();
this.diffuse = color;
this.specular = color;
this.highlightSheen = highlightSheen;
this.highlightSpread = highlightSpread;
}
void rebuildMatrices()
{
if (!needsRebuild) return;
needsRebuild = false;
warp_Vector forward, up, right;
forward = warp_Vector.sub(lookat, pos);
up = new warp_Vector(0f, 1f, 0f);
right = warp_Vector.getNormal(up, forward);
up = warp_Vector.getNormal(forward, right);
forward.normalize();
up.normalize();
right.normalize();
normalmatrix = new warp_Matrix(right, up, forward);
normalmatrix.rotate(0, 0, rollfactor);
matrix = normalmatrix.getClone();
matrix.shift(pos.x, pos.y, pos.z);
normalmatrix = normalmatrix.inverse();
matrix = matrix.inverse();
}
public static float angle(warp_Vector a, warp_Vector b)
// returns the angle between 2 vectors
{
a.normalize();
b.normalize();
return (a.x*b.x+a.y*b.y+a.z*b.z);
}
public warp_Light(warp_Vector direction, int diffuse)
{
v = direction.getClone();
v.normalize();
this.diffuse = diffuse;
}
public warp_Light(warp_Vector direction)
{
v = direction.getClone();
v.normalize();
}
public warp_Light(warp_Vector direction, int diffuse)
{
v = direction;
v.normalize();
this.diffuse = diffuse;
}
public warp_Light(warp_Vector direction)
{
v = direction;
v.normalize();
}
public warp_Light(warp_Vector direction)
{
v = direction.getClone();
v.normalize();
}
public warp_Light(warp_Vector direction)
{
v = direction;
v.normalize();
}
