Added Vector2i.

core/math/vector2i.cpp

@@ -0,0 +1,181 @@
+#include "vector2i.h"
+
+#include <cmath>
+
+Vector2i Vector2i::abs() const {
+	Vector2i b;
+
+	b.x = x >= 0 ? x : -x;
+	b.y = y >= 0 ? y : -y;
+
+	return b;
+}
+
+float Vector2i::angle() const {
+	return atan2(x, y);
+}
+
+float Vector2i::angle_to(const Vector2i &b) const {
+	return atan2(cross(b), dot(b));
+}
+
+float Vector2i::cross(const Vector2i &b) const {
+	return x * b.y - y * b.x;
+}
+
+float Vector2i::distance_to_squared(const Vector2i &b) const {
+	return (x - b.x) * (x - b.x) + (y - b.y) * (y - b.y);
+}
+
+float Vector2i::distance_to(const Vector2i &b) const {
+	return sqrt((x - b.x) * (x - b.x) + (y - b.y) * (y - b.y));
+}
+
+float Vector2i::dot(const Vector2i &b) const {
+	return x * b.x + y * b.y;
+}
+
+float Vector2i::length() const {
+	return sqrt(x * x + y * y);
+}
+
+float Vector2i::length_squared() const {
+	return x * x + y * y;
+}
+
+Vector2i Vector2i::lerp(const Vector2i &b, const float t) const {
+	Vector2i v;
+
+	v.x = x + (t * (b.x - x));
+	v.y = y + (t * (b.y - y));
+
+	return v;
+}
+
+void Vector2i::add(const Vector2i &b) {
+	x += b.x;
+	y += b.y;
+}
+
+void Vector2i::sub(const Vector2i &b) {
+	x -= b.x;
+	y -= b.y;
+}
+
+Vector2i::Vector2i() {
+	x = 0;
+	y = 0;
+}
+
+Vector2i::Vector2i(const Vector2i &b) {
+	x = b.x;
+	y = b.y;
+}
+
+Vector2i::Vector2i(const int p_x, const int p_y) {
+	x = p_x;
+	y = p_y;
+}
+
+Vector2i &Vector2i::operator+=(const Vector2i &b) {
+	x += b.x;
+	y += b.y;
+
+	return *this;
+}
+
+Vector2i Vector2i::operator+(const Vector2i &b) const {
+	return Vector2i(x + b.x, y + b.y);
+}
+
+Vector2i &Vector2i::operator-=(const Vector2i &b) {
+	x -= b.x;
+	y -= b.y;
+
+	return *this;
+}
+
+Vector2i Vector2i::operator-(const Vector2i &b) const {
+	return Vector2i(x - b.x, y - b.y);
+}
+
+Vector2i &Vector2i::operator*=(const Vector2i &b) {
+	x *= b.x;
+	y *= b.y;
+
+	return *this;
+}
+
+Vector2i Vector2i::operator*(const Vector2i &b) const {
+	return Vector2i(x * b.x, y * b.y);
+}
+
+Vector2i &Vector2i::operator/=(const Vector2i &b) {
+	x /= b.x;
+	y /= b.y;
+
+	return *this;
+}
+
+Vector2i Vector2i::operator/(const Vector2i &b) const {
+	return Vector2i(x / b.x, y / b.y);
+}
+
+Vector2i &Vector2i::operator+=(int scalar) {
+	x += scalar;
+	y += scalar;
+
+	return *this;
+}
+Vector2i Vector2i::operator+(int scalar) const {
+	return Vector2i(x + scalar, y + scalar);
+}
+Vector2i &Vector2i::operator-=(int scalar) {
+	x += scalar;
+	y += scalar;
+
+	return *this;
+}
+Vector2i Vector2i::operator-(int scalar) const {
+	return Vector2i(x - scalar, y - scalar);
+}
+
+Vector2i &Vector2i::operator*=(int scalar) {
+	x *= scalar;
+	y *= scalar;
+
+	return *this;
+}
+Vector2i Vector2i::operator*(int scalar) const {
+	return Vector2i(x * scalar, y * scalar);
+}
+Vector2i &Vector2i::operator/=(int scalar) {
+	x /= scalar;
+	y /= scalar;
+
+	return *this;
+}
+Vector2i Vector2i::operator/(int scalar) const {
+	return Vector2i(x / scalar, y / scalar);
+}
+Vector2i Vector2i::operator-() const {
+	return Vector2i(-x, -y);
+}
+
+bool Vector2i::operator==(const Vector2i &b) const {
+	return x == b.x && y == b.y;
+}
+bool Vector2i::operator!=(const Vector2i &b) const {
+	return x != b.x || y != b.y;
+}
+
+const int &Vector2i::operator[](int axis) const {
+	return coordinates[axis];
+}
+int &Vector2i::operator[](int axis) {
+	return coordinates[axis];
+}
+
+Vector2i::operator String() const {
+	return "[" + String::num(x) + "," + String::num(y) + "]";
+}

core/math/vector2i.h

@@ -0,0 +1,71 @@
+#ifndef VECTOR2I_H
+#define VECTOR2I_H
+
+#include "core/string.h"
+
+class Vector2i {
+public:
+	Vector2i abs() const;
+	float angle() const;
+	float angle_to(const Vector2i &b) const;
+	float cross(const Vector2i &b) const;
+	float distance_to_squared(const Vector2i &b) const;
+	float distance_to(const Vector2i &b) const;
+	float dot(const Vector2i &b) const;
+
+	float length() const;
+	float length_squared() const;
+
+	Vector2i lerp(const Vector2i &b, const float t) const;
+
+	void add(const Vector2i &b);
+	void sub(const Vector2i &b);
+
+	Vector2i();
+	Vector2i(const Vector2i &b);
+	Vector2i(const int p_x, const int p_y);
+
+	Vector2i &operator+=(const Vector2i &b);
+	Vector2i operator+(const Vector2i &b) const;
+	Vector2i &operator-=(const Vector2i &b);
+	Vector2i operator-(const Vector2i &b) const;
+	Vector2i &operator*=(const Vector2i &b);
+	Vector2i operator*(const Vector2i &b) const;
+	Vector2i &operator/=(const Vector2i &b);
+	Vector2i operator/(const Vector2i &b) const;
+
+	Vector2i &operator+=(int scalar);
+	Vector2i operator+(int scalar) const;
+	Vector2i &operator-=(int scalar);
+	Vector2i operator-(int scalar) const;
+	Vector2i &operator*=(int scalar);
+	Vector2i operator*(int scalar) const;
+	Vector2i &operator/=(int scalar);
+	Vector2i operator/(int scalar) const;
+
+	Vector2i operator-() const;
+
+	bool operator==(const Vector2i &b) const;
+	bool operator!=(const Vector2i &b) const;
+
+	const int &operator[](int axis) const;
+	int &operator[](int axis);
+
+	operator String() const;
+
+	enum Axis {
+		AXIS_X = 0,
+		AXIS_Y
+	};
+
+	union {
+		struct {
+			int x;
+			int y;
+		};
+
+		int coordinates[2];
+	};
+};
+
+#endif