46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
#ifndef DELTA_MATH
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#define DELTA_MATH
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class DeltaVector2 {
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public:
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float x, y;
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DeltaVector2(float xval, float yval);
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DeltaVector2();
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DeltaVector2 operator+(const DeltaVector2& other) const;
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DeltaVector2 operator-(const DeltaVector2& other) const;
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DeltaVector2 operator*(float a) const;
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DeltaVector2& operator+=(const DeltaVector2& other);
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DeltaVector2& operator-=(const DeltaVector2& other);
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float distanceToVector(const DeltaVector2& vec) const;
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float distanceToPos(float x, float y) const;
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float dotProduct(const DeltaVector2& vec) const;
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float angleTo(const DeltaVector2& vec) const;
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float length() const;
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};
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class DeltaVector3 {
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public:
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float x, y, z;
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DeltaVector3(float xval, float yval, float zval);
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DeltaVector3();
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DeltaVector3 operator+(const DeltaVector3& other) const;
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DeltaVector3 operator-(const DeltaVector3& other) const;
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DeltaVector3 operator*(float a) const;
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DeltaVector3& operator+=(const DeltaVector3& other);
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DeltaVector3& operator-=(const DeltaVector3& other);
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float distanceToVector(const DeltaVector3 &vec) const;
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float distanceToPos(float x, float y) const;
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float dotProduct(const DeltaVector3 &vec) const;
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float angleTo(const DeltaVector3 &vec) const;
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float length() const;
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};
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float getDeterminant(const DeltaVector2 &pointA, const DeltaVector2 &pointB, const DeltaVector2 &candidate);
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struct DeltaTriangle {
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DeltaVector3 a, b, c;
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};
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uint32_t SDLColorToUint32(SDL_Color color);
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#endif |