| 160 | } |
| 161 | |
| 162 | void Vec2::normalize() |
| 163 | { |
| 164 | float n = x * x + y * y; |
| 165 | // Already normalized. |
| 166 | if (n == 1.0f) |
| 167 | return; |
| 168 | |
| 169 | n = std::sqrt(n); |
| 170 | // Too close to zero. |
| 171 | if (n < MATH_TOLERANCE) |
| 172 | return; |
| 173 | |
| 174 | n = 1.0f / n; |
| 175 | x *= n; |
| 176 | y *= n; |
| 177 | } |
| 178 | |
| 179 | Vec2 Vec2::getNormalized() const |
| 180 | { |