268 lines
4.6 KiB
C++
268 lines
4.6 KiB
C++
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
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#include "Vector2.h"
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#include "Vector3.h"
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#include "Vector4.h"
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#include "Color.h"
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#include "../Types/String.h"
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// Float
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static_assert(sizeof(Float2) == 8, "Invalid Float2 type size.");
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template<>
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const Float2 Float2::Zero(0.0f);
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template<>
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const Float2 Float2::One(1.0f);
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template<>
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const Float2 Float2::Half(0.5f);
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template<>
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const Float2 Float2::UnitX(1.0f, 0.0f);
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template<>
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const Float2 Float2::UnitY(0.0f, 1.0f);
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template<>
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const Float2 Float2::Minimum(MIN_float);
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template<>
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const Float2 Float2::Maximum(MAX_float);
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template<>
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Float2::Vector2Base(const Int3& xy)
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: X((float)xy.X)
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, Y((float)xy.Y)
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{
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}
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template<>
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Float2::Vector2Base(const Int4& xy)
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: X((float)xy.X)
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, Y((float)xy.Y)
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{
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}
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template<>
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Float2::Vector2Base(const Float3& xy)
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: X(xy.X)
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, Y(xy.Y)
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{
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}
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template<>
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Float2::Vector2Base(const Float4& xy)
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: X(xy.X)
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, Y(xy.Y)
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{
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}
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template<>
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Float2::Vector2Base(const Double3& xy)
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: X((float)xy.X)
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, Y((float)xy.Y)
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{
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}
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template<>
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Float2::Vector2Base(const Double4& xy)
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: X((float)xy.X)
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, Y((float)xy.Y)
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{
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}
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template<>
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Float2::Vector2Base(const Color& color)
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: X(color.R)
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, Y(color.G)
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{
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}
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template<>
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String Float2::ToString() const
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{
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return String::Format(TEXT("{}"), *this);
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}
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template<>
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float Float2::TriangleArea(const Float2& v0, const Float2& v1, const Float2& v2)
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{
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return Math::Abs((v0.X * (v1.Y - v2.Y) + v1.X * (v2.Y - v0.Y) + v2.X * (v0.Y - v1.Y)) / 2);
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}
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template<>
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float Float2::Angle(const Float2& from, const Float2& to)
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{
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const float dot = Math::Clamp(Dot(Normalize(from), Normalize(to)), -1.0f, 1.0f);
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if (Math::Abs(dot) > 1.0f - ZeroTolerance)
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return dot > 0.0f ? 0.0f : PI;
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return Math::Acos(dot);
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}
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// Double
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static_assert(sizeof(Double2) == 16, "Invalid Double2 type size.");
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template<>
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const Double2 Double2::Zero(0.0);
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template<>
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const Double2 Double2::One(1.0);
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template<>
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const Double2 Double2::UnitX(1.0, 0.0);
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template<>
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const Double2 Double2::UnitY(0.0, 1.0);
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template<>
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const Double2 Double2::Minimum(MIN_double);
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template<>
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const Double2 Double2::Maximum(MAX_double);
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template<>
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Double2::Vector2Base(const Int3& xy)
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: X((double)xy.X)
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, Y((double)xy.Y)
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{
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}
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template<>
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Double2::Vector2Base(const Int4& xy)
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: X((double)xy.X)
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, Y((double)xy.Y)
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{
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}
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template<>
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Double2::Vector2Base(const Float3& xy)
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: X((double)xy.X)
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, Y((double)xy.Y)
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{
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}
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template<>
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Double2::Vector2Base(const Float4& xy)
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: X((int32)xy.X)
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, Y((double)xy.Y)
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{
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}
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template<>
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Double2::Vector2Base(const Double3& xy)
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: X(xy.X)
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, Y(xy.Y)
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{
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}
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template<>
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Double2::Vector2Base(const Double4& xy)
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: X(xy.X)
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, Y(xy.Y)
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{
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}
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template<>
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Double2::Vector2Base(const Color& color)
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: X((double)color.R)
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, Y((double)color.G)
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{
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}
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template<>
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String Double2::ToString() const
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{
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return String::Format(TEXT("{}"), *this);
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}
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template<>
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double Double2::TriangleArea(const Double2& v0, const Double2& v1, const Double2& v2)
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{
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return Math::Abs((v0.X * (v1.Y - v2.Y) + v1.X * (v2.Y - v0.Y) + v2.X * (v0.Y - v1.Y)) / 2);
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}
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template<>
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double Double2::Angle(const Double2& from, const Double2& to)
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{
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const double dot = Math::Clamp(Dot(Normalize(from), Normalize(to)), -1.0, 1.0);
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if (Math::Abs(dot) > 1.0 - ZeroTolerance)
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return dot > 0.0 ? 0.0 : PI;
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return Math::Acos(dot);
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}
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// Int
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static_assert(sizeof(Int2) == 8, "Invalid Int2 type size.");
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template<>
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const Int2 Int2::Zero(0);
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template<>
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const Int2 Int2::One(1);
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template<>
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const Int2 Int2::UnitX(1, 0);
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template<>
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const Int2 Int2::UnitY(0, 1);
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template<>
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const Int2 Int2::Minimum(MIN_int32);
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template<>
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const Int2 Int2::Maximum(MAX_int32);
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template<>
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Int2::Vector2Base(const Int3& xy)
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: X(xy.X)
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, Y(xy.Y)
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{
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}
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template<>
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Int2::Vector2Base(const Int4& xy)
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: X(xy.X)
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, Y(xy.Y)
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{
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}
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template<>
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Int2::Vector2Base(const Float3& xy)
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: X((int32)xy.X)
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, Y((int32)xy.Y)
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{
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}
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template<>
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Int2::Vector2Base(const Float4& xy)
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: X((int32)xy.X)
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, Y((int32)xy.Y)
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{
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}
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template<>
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Int2::Vector2Base(const Double3& xy)
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: X((int32)xy.X)
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, Y((int32)xy.Y)
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{
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}
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template<>
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Int2::Vector2Base(const Double4& xy)
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: X((int32)xy.X)
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, Y((int32)xy.Y)
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{
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}
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template<>
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Int2::Vector2Base(const Color& color)
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: X((int32)color.R)
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, Y((int32)color.G)
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{
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}
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template<>
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String Int2::ToString() const
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{
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return String::Format(TEXT("{}"), *this);
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}
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template<>
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int32 Int2::TriangleArea(const Int2& v0, const Int2& v1, const Int2& v2)
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{
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return Math::Abs((v0.X * (v1.Y - v2.Y) + v1.X * (v2.Y - v0.Y) + v2.X * (v0.Y - v1.Y)) / 2);
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}
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template<>
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int32 Int2::Angle(const Int2& from, const Int2& to)
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{
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return 0;
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}
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