forked from thedmd/imgui-node-editor
-
Notifications
You must be signed in to change notification settings - Fork 0
/
imgui_extra_math.h
77 lines (58 loc) · 2.5 KB
/
imgui_extra_math.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
//------------------------------------------------------------------------------
// VERSION 0.9.1
//
// LICENSE
// This software is dual-licensed to the public domain and under the following
// license: you are granted a perpetual, irrevocable license to copy, modify,
// publish, and distribute this file as you see fit.
//
// CREDITS
// Written by Michal Cichon
//------------------------------------------------------------------------------
# ifndef __IMGUI_EXTRA_MATH_H__
# define __IMGUI_EXTRA_MATH_H__
# pragma once
//------------------------------------------------------------------------------
# ifndef IMGUI_DEFINE_MATH_OPERATORS
# define IMGUI_DEFINE_MATH_OPERATORS
# endif
# include <imgui.h>
# include <imgui_internal.h>
//------------------------------------------------------------------------------
struct ImLine
{
ImVec2 A, B;
};
//------------------------------------------------------------------------------
# if IMGUI_VERSION_NUM < 19002
inline bool operator==(const ImVec2& lhs, const ImVec2& rhs);
inline bool operator!=(const ImVec2& lhs, const ImVec2& rhs);
# endif
inline ImVec2 operator*(const float lhs, const ImVec2& rhs);
# if IMGUI_VERSION_NUM < 18955
inline ImVec2 operator-(const ImVec2& lhs);
# endif
//------------------------------------------------------------------------------
inline float ImLength(float v);
inline float ImLength(const ImVec2& v);
inline float ImLengthSqr(float v);
inline ImVec2 ImNormalized(const ImVec2& v);
//------------------------------------------------------------------------------
inline bool ImRect_IsEmpty(const ImRect& rect);
inline ImVec2 ImRect_ClosestPoint(const ImRect& rect, const ImVec2& p, bool snap_to_edge);
inline ImVec2 ImRect_ClosestPoint(const ImRect& rect, const ImVec2& p, bool snap_to_edge, float radius);
inline ImVec2 ImRect_ClosestPoint(const ImRect& rect, const ImRect& b);
inline ImLine ImRect_ClosestLine(const ImRect& rect_a, const ImRect& rect_b);
inline ImLine ImRect_ClosestLine(const ImRect& rect_a, const ImRect& rect_b, float radius_a, float radius_b);
//------------------------------------------------------------------------------
namespace ImEasing {
template <typename V, typename T>
inline V EaseOutQuad(V b, V c, T t)
{
return b - c * (t * (t - 2));
}
} // namespace ImEasing
//------------------------------------------------------------------------------
# include "imgui_extra_math.inl"
//------------------------------------------------------------------------------
# endif // __IMGUI_EXTRA_MATH_H__