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-rw-r--r--core/math/math_2d.h105
1 files changed, 95 insertions, 10 deletions
diff --git a/core/math/math_2d.h b/core/math/math_2d.h
index 60351445c..25c39e5d7 100644
--- a/core/math/math_2d.h
+++ b/core/math/math_2d.h
@@ -5,8 +5,8 @@
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
-/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
@@ -27,6 +27,7 @@
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
+
#ifndef MATH_2D_H
#define MATH_2D_H
@@ -103,7 +104,6 @@ struct Vector2 {
real_t dot(const Vector2 &p_other) const;
real_t cross(const Vector2 &p_other) const;
- Vector2 cross(real_t p_other) const;
Vector2 project(const Vector2 &p_vec) const;
Vector2 plane_project(real_t p_d, const Vector2 &p_vec) const;
@@ -112,6 +112,7 @@ struct Vector2 {
_FORCE_INLINE_ static Vector2 linear_interpolate(const Vector2 &p_a, const Vector2 &p_b, real_t p_t);
_FORCE_INLINE_ Vector2 linear_interpolate(const Vector2 &p_b, real_t p_t) const;
+ _FORCE_INLINE_ Vector2 slerp(const Vector2 &p_b, real_t p_t) const;
Vector2 cubic_interpolate(const Vector2 &p_b, const Vector2 &p_pre_a, const Vector2 &p_post_b, real_t p_t) const;
Vector2 slide(const Vector2 &p_normal) const;
@@ -162,6 +163,8 @@ struct Vector2 {
}
Vector2 floor() const;
+ Vector2 ceil() const;
+ Vector2 round() const;
Vector2 snapped(const Vector2 &p_by) const;
real_t aspect() const { return width / height; }
@@ -187,6 +190,70 @@ _FORCE_INLINE_ Vector2 operator*(real_t p_scalar, const Vector2 &p_vec) {
return p_vec * p_scalar;
}
+_FORCE_INLINE_ Vector2 Vector2::operator+(const Vector2 &p_v) const {
+
+ return Vector2(x + p_v.x, y + p_v.y);
+}
+_FORCE_INLINE_ void Vector2::operator+=(const Vector2 &p_v) {
+
+ x += p_v.x;
+ y += p_v.y;
+}
+_FORCE_INLINE_ Vector2 Vector2::operator-(const Vector2 &p_v) const {
+
+ return Vector2(x - p_v.x, y - p_v.y);
+}
+_FORCE_INLINE_ void Vector2::operator-=(const Vector2 &p_v) {
+
+ x -= p_v.x;
+ y -= p_v.y;
+}
+
+_FORCE_INLINE_ Vector2 Vector2::operator*(const Vector2 &p_v1) const {
+
+ return Vector2(x * p_v1.x, y * p_v1.y);
+};
+
+_FORCE_INLINE_ Vector2 Vector2::operator*(const real_t &rvalue) const {
+
+ return Vector2(x * rvalue, y * rvalue);
+};
+_FORCE_INLINE_ void Vector2::operator*=(const real_t &rvalue) {
+
+ x *= rvalue;
+ y *= rvalue;
+};
+
+_FORCE_INLINE_ Vector2 Vector2::operator/(const Vector2 &p_v1) const {
+
+ return Vector2(x / p_v1.x, y / p_v1.y);
+};
+
+_FORCE_INLINE_ Vector2 Vector2::operator/(const real_t &rvalue) const {
+
+ return Vector2(x / rvalue, y / rvalue);
+};
+
+_FORCE_INLINE_ void Vector2::operator/=(const real_t &rvalue) {
+
+ x /= rvalue;
+ y /= rvalue;
+};
+
+_FORCE_INLINE_ Vector2 Vector2::operator-() const {
+
+ return Vector2(-x, -y);
+}
+
+_FORCE_INLINE_ bool Vector2::operator==(const Vector2 &p_vec2) const {
+
+ return x == p_vec2.x && y == p_vec2.y;
+}
+_FORCE_INLINE_ bool Vector2::operator!=(const Vector2 &p_vec2) const {
+
+ return x != p_vec2.x || y != p_vec2.y;
+}
+
Vector2 Vector2::linear_interpolate(const Vector2 &p_b, real_t p_t) const {
Vector2 res = *this;
@@ -197,6 +264,14 @@ Vector2 Vector2::linear_interpolate(const Vector2 &p_b, real_t p_t) const {
return res;
}
+Vector2 Vector2::slerp(const Vector2 &p_b, real_t p_t) const {
+#ifdef MATH_CHECKS
+ ERR_FAIL_COND_V(is_normalized() == false, Vector2());
+#endif
+ real_t theta = angle_to(p_b);
+ return rotated(theta * p_t);
+}
+
Vector2 Vector2::linear_interpolate(const Vector2 &p_a, const Vector2 &p_b, real_t p_t) {
Vector2 res = p_a;
@@ -239,22 +314,31 @@ struct Rect2 {
inline real_t distance_to(const Vector2 &p_point) const {
- real_t dist = 1e20;
+ real_t dist = 0.0;
+ bool inside = true;
if (p_point.x < position.x) {
- dist = MIN(dist, position.x - p_point.x);
+ real_t d = position.x - p_point.x;
+ dist = inside ? d : MIN(dist, d);
+ inside = false;
}
if (p_point.y < position.y) {
- dist = MIN(dist, position.y - p_point.y);
+ real_t d = position.y - p_point.y;
+ dist = inside ? d : MIN(dist, d);
+ inside = false;
}
if (p_point.x >= (position.x + size.x)) {
- dist = MIN(p_point.x - (position.x + size.x), dist);
+ real_t d = p_point.x - (position.x + size.x);
+ dist = inside ? d : MIN(dist, d);
+ inside = false;
}
if (p_point.y >= (position.y + size.y)) {
- dist = MIN(p_point.y - (position.y + size.y), dist);
+ real_t d = p_point.y - (position.y + size.y);
+ dist = inside ? d : MIN(dist, d);
+ inside = false;
}
- if (dist == 1e20)
+ if (inside)
return 0;
else
return dist;
@@ -336,9 +420,10 @@ struct Rect2 {
g.size.height += p_by * 2;
return g;
}
+
inline Rect2 grow_margin(Margin p_margin, real_t p_amount) const {
Rect2 g = *this;
- g.grow_individual((MARGIN_LEFT == p_margin) ? p_amount : 0,
+ g = g.grow_individual((MARGIN_LEFT == p_margin) ? p_amount : 0,
(MARGIN_TOP == p_margin) ? p_amount : 0,
(MARGIN_RIGHT == p_margin) ? p_amount : 0,
(MARGIN_BOTTOM == p_margin) ? p_amount : 0);