773507b4ab
Added Backface Culling Methods to the Model Class Added Depth, Normal and Culled Flag Variables to the Polygon3D Class Added Vector3D Class Added - operator to the Vertex Class Cleaned up Code, Adding Void to Params etc
78 lines
1.2 KiB
C++
78 lines
1.2 KiB
C++
#include "Vector3D.h"
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Vector3D::Vector3D()
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{
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SetX(1);
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SetY(1);
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SetZ(1);
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}
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Vector3D::Vector3D(float x, float y, float z)
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{
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SetX(x);
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SetY(y);
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SetZ(z);
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}
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Vector3D::Vector3D(const Vector3D& other)
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{
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Copy(other);
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}
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Vector3D::~Vector3D()
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{
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}
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// Accessors
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float Vector3D::GetX() const
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{
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return _x;
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}
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void Vector3D::SetX(const float x)
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{
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_x = x;
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}
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float Vector3D::GetY() const
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{
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return _y;
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}
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void Vector3D::SetY(const float y)
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{
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_y = y;
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}
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float Vector3D::GetZ() const
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{
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return _z;
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}
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void Vector3D::SetZ(const float z)
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{
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_z = z;
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}
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float Vector3D::DotProduct(const Vector3D v1, const Vector3D v2)
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{
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return ((v1.GetX() * v2.GetX()) + (v1.GetY() * v2.GetY()) + (v1.GetZ() * v2.GetZ()));
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}
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Vector3D Vector3D::CrossProduct(const Vector3D v1, const Vector3D v2)
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{
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return Vector3D((v1.GetY() * v2.GetZ()) - (v1.GetZ() * v2.GetY()), (v1.GetZ() * v2.GetX()) - (v1.GetX() * v2.GetZ()), (v1.GetX() * v2.GetY()) - (v1.GetY() * v2.GetX()));
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}
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const Vector3D Vector3D::operator+ (const Vector3D& rhs) const
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{
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return Vector3D(_x + rhs.GetX(), _y + rhs.GetY(), _z + rhs.GetZ());
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}
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void Vector3D::Copy(const Vector3D& other)
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{
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_x = other.GetX();
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_y = other.GetY();
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_z = other.GetZ();
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} |