Re-introduce build-in type code for core types

1 files changed, 168 insertions, 0 deletions

diff --git a/src/variant/vector2.cpp b/src/variant/vector2.cpp
new file mode 100644
index 0000000..a91bdde
--- /dev/null
+++ b/src/variant/vector2.cpp
@@ -0,0 +1,168 @@
+#include <godot_cpp/core/error_macros.hpp>
+#include <godot_cpp/variant/vector2.hpp>
+#include <godot_cpp/variant/string.hpp>
+
+namespace godot {
+
+Vector2::operator String() const {
+	return String::num(x, 5) + ", " + String::num(y, 5);
+}
+
+real_t Vector2::angle() const {
+	return Math::atan2(y, x);
+}
+
+real_t Vector2::length() const {
+	return Math::sqrt(x * x + y * y);
+}
+
+real_t Vector2::length_squared() const {
+	return x * x + y * y;
+}
+
+void Vector2::normalize() {
+	real_t l = x * x + y * y;
+	if (l != 0) {
+		l = Math::sqrt(l);
+		x /= l;
+		y /= l;
+	}
+}
+
+Vector2 Vector2::normalized() const {
+	Vector2 v = *this;
+	v.normalize();
+	return v;
+}
+
+bool Vector2::is_normalized() const {
+	// use length_squared() instead of length() to avoid sqrt(), makes it more stringent.
+	return Math::is_equal_approx(length_squared(), 1.0, UNIT_EPSILON);
+}
+
+real_t Vector2::distance_to(const Vector2 &p_vector2) const {
+	return Math::sqrt((x - p_vector2.x) * (x - p_vector2.x) + (y - p_vector2.y) * (y - p_vector2.y));
+}
+
+real_t Vector2::distance_squared_to(const Vector2 &p_vector2) const {
+	return (x - p_vector2.x) * (x - p_vector2.x) + (y - p_vector2.y) * (y - p_vector2.y);
+}
+
+real_t Vector2::angle_to(const Vector2 &p_vector2) const {
+	return Math::atan2(cross(p_vector2), dot(p_vector2));
+}
+
+real_t Vector2::angle_to_point(const Vector2 &p_vector2) const {
+	return Math::atan2(y - p_vector2.y, x - p_vector2.x);
+}
+
+real_t Vector2::dot(const Vector2 &p_other) const {
+	return x * p_other.x + y * p_other.y;
+}
+
+real_t Vector2::cross(const Vector2 &p_other) const {
+	return x * p_other.y - y * p_other.x;
+}
+
+Vector2 Vector2::sign() const {
+	return Vector2(Math::sign(x), Math::sign(y));
+}
+
+Vector2 Vector2::floor() const {
+	return Vector2(Math::floor(x), Math::floor(y));
+}
+
+Vector2 Vector2::ceil() const {
+	return Vector2(Math::ceil(x), Math::ceil(y));
+}
+
+Vector2 Vector2::round() const {
+	return Vector2(Math::round(x), Math::round(y));
+}
+
+Vector2 Vector2::rotated(real_t p_by) const {
+	real_t sine = Math::sin(p_by);
+	real_t cosi = Math::cos(p_by);
+	return Vector2(
+			x * cosi - y * sine,
+			x * sine + y * cosi);
+}
+
+Vector2 Vector2::posmod(const real_t p_mod) const {
+	return Vector2(Math::fposmod(x, p_mod), Math::fposmod(y, p_mod));
+}
+
+Vector2 Vector2::posmodv(const Vector2 &p_modv) const {
+	return Vector2(Math::fposmod(x, p_modv.x), Math::fposmod(y, p_modv.y));
+}
+
+Vector2 Vector2::project(const Vector2 &p_to) const {
+	return p_to * (dot(p_to) / p_to.length_squared());
+}
+
+Vector2 Vector2::snapped(const Vector2 &p_step) const {
+	return Vector2(
+			Math::snapped(x, p_step.x),
+			Math::snapped(y, p_step.y));
+}
+
+Vector2 Vector2::clamped(real_t p_len) const {
+	real_t l = length();
+	Vector2 v = *this;
+	if (l > 0 && p_len < l) {
+		v /= l;
+		v *= p_len;
+	}
+
+	return v;
+}
+
+Vector2 Vector2::cubic_interpolate(const Vector2 &p_b, const Vector2 &p_pre_a, const Vector2 &p_post_b, real_t p_weight) const {
+	Vector2 p0 = p_pre_a;
+	Vector2 p1 = *this;
+	Vector2 p2 = p_b;
+	Vector2 p3 = p_post_b;
+
+	real_t t = p_weight;
+	real_t t2 = t * t;
+	real_t t3 = t2 * t;
+
+	Vector2 out;
+	out = 0.5 * ((p1 * 2.0) +
+						(-p0 + p2) * t +
+						(2.0 * p0 - 5.0 * p1 + 4 * p2 - p3) * t2 +
+						(-p0 + 3.0 * p1 - 3.0 * p2 + p3) * t3);
+	return out;
+}
+
+Vector2 Vector2::move_toward(const Vector2 &p_to, const real_t p_delta) const {
+	Vector2 v = *this;
+	Vector2 vd = p_to - v;
+	real_t len = vd.length();
+	return len <= p_delta || len < CMP_EPSILON ? p_to : v + vd / len * p_delta;
+}
+
+// slide returns the component of the vector along the given plane, specified by its normal vector.
+Vector2 Vector2::slide(const Vector2 &p_normal) const {
+#ifdef MATH_CHECKS
+	ERR_FAIL_COND_V(!p_normal.is_normalized(), Vector2());
+#endif
+	return *this - p_normal * this->dot(p_normal);
+}
+
+Vector2 Vector2::bounce(const Vector2 &p_normal) const {
+	return -reflect(p_normal);
+}
+
+Vector2 Vector2::reflect(const Vector2 &p_normal) const {
+#ifdef MATH_CHECKS
+	ERR_FAIL_COND_V(!p_normal.is_normalized(), Vector2());
+#endif
+	return 2.0 * p_normal * this->dot(p_normal) - *this;
+}
+
+bool Vector2::is_equal_approx(const Vector2 &p_v) const {
+	return Math::is_equal_approx(x, p_v.x) && Math::is_equal_approx(y, p_v.y);
+}
+
+} // namespace godot