Open source Star Ruler 2 source code!

source/util/include/vec4.h

@@ -0,0 +1,46 @@
+#pragma once
+
+//4 Dimensional Vector structure
+template<class T = double>
+struct vec4 {
+	T x,y,z,w;
+	
+	vec4() : x(0), y(0), z(0), w(0) {}
+	vec4(T def) : x(def), y(def), z(def), w(def) {}
+	vec4(T X, T Y, T Z, T W) : x(X), y(Y), z(Z), w(W) {}
+
+	template<class O>
+	explicit vec4(const vec4<O>& other) : x((T)other.x), y((T)other.y), z((T)other.z), w((T)other.w) {}
+	
+	vec4& operator=(const vec4& other) {
+		x = other.x;
+		y = other.y;
+		z = other.z;
+		w = other.w;
+		return *this;
+	}
+
+	bool operator==(const vec4& other) {
+		return x == other.x && y == other.y && z == other.z && w == other.w;
+	}
+
+	vec4 operator*(T scalar) const {
+		return vec4(x * scalar, y * scalar, z * scalar, w * scalar);
+	}
+
+	vec4& operator+=(const vec4& other) {
+		x += other.x;
+		y += other.y;
+		z += other.z;
+		w += other.w;
+		return *this;
+	}
+
+	bool zero() {
+		return x == 0.0 && y == 0.0 && z == 0.0 && w == 0.0;
+	}
+};
+
+typedef vec4<float> vec4f;
+typedef vec4<double> vec4d;
+typedef vec4<int> vec4i;