78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
//------------------------------------------------------------------------------
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// VERSION 0.9.1
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//
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// LICENSE
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// This software is dual-licensed to the public domain and under the following
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// license: you are granted a perpetual, irrevocable license to copy, modify,
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// publish, and distribute this file as you see fit.
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//
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// CREDITS
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// Written by Michal Cichon
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//------------------------------------------------------------------------------
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# ifndef __IMGUI_EXTRA_MATH_H__
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# define __IMGUI_EXTRA_MATH_H__
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# pragma once
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//------------------------------------------------------------------------------
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# ifndef IMGUI_DEFINE_MATH_OPERATORS
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# define IMGUI_DEFINE_MATH_OPERATORS
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# endif
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# include <imgui.h>
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# include <imgui_internal.h>
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//------------------------------------------------------------------------------
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struct ImLine
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{
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ImVec2 A, B;
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};
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//------------------------------------------------------------------------------
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# if IMGUI_VERSION_NUM < 19002
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inline bool operator==(const ImVec2& lhs, const ImVec2& rhs);
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inline bool operator!=(const ImVec2& lhs, const ImVec2& rhs);
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# endif
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inline ImVec2 operator*(const float lhs, const ImVec2& rhs);
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# if IMGUI_VERSION_NUM < 18955
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inline ImVec2 operator-(const ImVec2& lhs);
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# endif
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//------------------------------------------------------------------------------
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inline float ImLength(float v);
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inline float ImLength(const ImVec2& v);
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inline float ImLengthSqr(float v);
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inline ImVec2 ImNormalized(const ImVec2& v);
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//------------------------------------------------------------------------------
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inline bool ImRect_IsEmpty(const ImRect& rect);
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inline ImVec2 ImRect_ClosestPoint(const ImRect& rect, const ImVec2& p, bool snap_to_edge);
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inline ImVec2 ImRect_ClosestPoint(const ImRect& rect, const ImVec2& p, bool snap_to_edge, float radius);
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inline ImVec2 ImRect_ClosestPoint(const ImRect& rect, const ImRect& b);
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inline ImLine ImRect_ClosestLine(const ImRect& rect_a, const ImRect& rect_b);
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inline ImLine ImRect_ClosestLine(const ImRect& rect_a, const ImRect& rect_b, float radius_a, float radius_b);
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//------------------------------------------------------------------------------
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namespace ImEasing {
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template <typename V, typename T>
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inline V EaseOutQuad(V b, V c, T t)
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{
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return b - c * (t * (t - 2));
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}
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} // namespace ImEasing
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//------------------------------------------------------------------------------
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# include "imgui_extra_math.inl"
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//------------------------------------------------------------------------------
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# endif // __IMGUI_EXTRA_MATH_H__
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