155 else |
155 else |
156 return point.z < other.z; |
156 return point.z < other.z; |
157 } |
157 } |
158 |
158 |
159 /* |
159 /* |
160 * Transforms this vertex with a tranformation matrix and returns the result. |
160 * Transforms the specified vertex with a transformation matrix |
161 */ |
161 */ |
162 Point3D math::transform(const Point3D point, const GLRotationMatrix& matrix) |
162 Point3D math::transform(const Point3D& point, const Matrix4x4& matrix) |
163 { |
163 { |
164 return { |
164 return { |
165 matrix(0, 0) * point.x |
165 matrix(0, 0) * point.x |
166 + matrix(0, 1) * point.y |
166 + matrix(0, 1) * point.y |
167 + matrix(0, 2) * point.z, |
167 + matrix(0, 2) * point.z |
|
168 + matrix(0, 3), |
168 matrix(1, 0) * point.x |
169 matrix(1, 0) * point.x |
169 + matrix(1, 1) * point.y |
170 + matrix(1, 1) * point.y |
170 + matrix(1, 2) * point.z, |
171 + matrix(1, 2) * point.z |
|
172 + matrix(1, 3), |
171 matrix(2, 0) * point.x |
173 matrix(2, 0) * point.x |
172 + matrix(2, 1) * point.y |
174 + matrix(2, 1) * point.y |
173 + matrix(2, 2) * point.z, |
175 + matrix(2, 2) * point.z |
|
176 + matrix(2, 3), |
174 }; |
177 }; |
175 } |
178 } |
176 |
179 |
177 /* |
180 /* |
178 * Returns the distance from one vertex to another. |
181 * Returns the distance from one vertex to another. |