public function testMul() { $vec = new CVector(1, 2, 3); $vec->mul(2); $this->assertEquals(2, $vec->x); $this->assertEquals(4, $vec->y); $this->assertEquals(6, $vec->z); }
/** * @param CVector $pos * * @return float */ public function eval_(CVector $pos) { return $this->abs + $this->rand * $this->noise($pos->mul($this->frequency)); }