Method Vec_IntersectPlane

extensions/olcPGEX_Graphics3D.h:501–511

	}

	olc::GFX3D::vec3d olc::GFX3D::Math::Vec_IntersectPlane(olc::GFX3D::vec3d &plane_p, olc::GFX3D::vec3d &plane_n, olc::GFX3D::vec3d &lineStart, olc::GFX3D::vec3d &lineEnd, float &t)
	{
		plane_n = Vec_Normalise(plane_n);
		float plane_d = -Vec_DotProduct(plane_n, plane_p);
		float ad = Vec_DotProduct(lineStart, plane_n);
		float bd = Vec_DotProduct(lineEnd, plane_n);
		t = (-plane_d - ad) / (bd - ad);
		olc::GFX3D::vec3d lineStartToEnd = Vec_Sub(lineEnd, lineStart);
		olc::GFX3D::vec3d lineToIntersect = Vec_Mul(lineStartToEnd, t);
		return Vec_Add(lineStart, lineToIntersect);
	}
	

	int olc::GFX3D::Math::Triangle_ClipAgainstPlane(vec3d plane_p, vec3d plane_n, triangle &in_tri, triangle &out_tri1, triangle &out_tri2)