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Add transform methods for PoolVector*Array

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Similarly to `Vector2` and `Rect2` transforms in 2D and Vector3, Plane,
and AABB in 3D. PoolVector2Array and PoolVector3Array were the only
missing Variant types in both Transform2D and Transform respectively.
This commit is contained in:
Andrii Doroshenko (Xrayez) 2019-08-29 13:20:10 +03:00
parent 65d5003bce
commit 07cff56f48
5 changed files with 71 additions and 4 deletions
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31
core/math/transform_2d.h
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@ -32,6 +32,7 @@
#define TRANSFORM_2D_H
#include "core/math/rect2.h" // also includes vector2, math_funcs, and ustring
#include "core/pool_vector.h"
struct Transform2D {
// Warning #1: basis of Transform2D is stored differently from Basis. In terms of elements array, the basis matrix looks like "on paper":
@ -110,6 +111,8 @@ struct Transform2D {
_FORCE_INLINE_ Vector2 xform_inv(const Vector2 &p_vec) const;
_FORCE_INLINE_ Rect2 xform(const Rect2 &p_rect) const;
_FORCE_INLINE_ Rect2 xform_inv(const Rect2 &p_rect) const;
_FORCE_INLINE_ PoolVector<Vector2> xform(const PoolVector<Vector2> &p_array) const;
_FORCE_INLINE_ PoolVector<Vector2> xform_inv(const PoolVector<Vector2> &p_array) const;
operator String() const;
@ -199,4 +202,32 @@ Rect2 Transform2D::xform_inv(const Rect2 &p_rect) const {
return new_rect;
}
PoolVector<Vector2> Transform2D::xform(const PoolVector<Vector2> &p_array) const {
PoolVector<Vector2> array;
array.resize(p_array.size());
PoolVector<Vector2>::Read r = p_array.read();
PoolVector<Vector2>::Write w = array.write();
for (int i = 0; i < p_array.size(); ++i) {
w[i] = xform(r[i]);
}
return array;
}
PoolVector<Vector2> Transform2D::xform_inv(const PoolVector<Vector2> &p_array) const {
PoolVector<Vector2> array;
array.resize(p_array.size());
PoolVector<Vector2>::Read r = p_array.read();
PoolVector<Vector2>::Write w = array.write();
for (int i = 0; i < p_array.size(); ++i) {
w[i] = xform_inv(r[i]);
}
return array;
}
#endif // TRANSFORM_2D_H