7a57c73ac3
Added the DDS Texture Loading for future use Added the gamepad class for future use Added first child method to the scenegraph Added RGB to intensity and lerp methods to the shared methods class Added the terrain node class with normals Fixed issue with submeshnode not passing the world transform to the actual meshes
104 lines
2.3 KiB
C++
104 lines
2.3 KiB
C++
#include "Vector3D.h"
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Vector3D::Vector3D(float x, float y, float z)
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{
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_vector.x = x;
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_vector.y = y;
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_vector.z = z;
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}
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Vector3D::Vector3D(XMFLOAT3 vertexA, XMFLOAT3 vertexB)
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{
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_vector.x = vertexB.x - vertexA.x;
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_vector.y = vertexB.y - vertexA.y;
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_vector.z = vertexB.z - vertexA.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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XMFLOAT3 Vector3D::Get() const
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{
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return _vector;
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}
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const void Vector3D::Normalize()
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{
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float length = (float) sqrt((_vector.x * _vector.x) + (_vector.y + _vector.y) + (_vector.z * _vector.z));
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if (length != 0)
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{
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_vector.x /= length;
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_vector.y /= length;
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_vector.z /= length;
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}
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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.Get().x * v2.Get().x + v1.Get().y * v2.Get().y + v1.Get().z * v2.Get().z;
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}
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float Vector3D::Length(const Vector3D v1, const Vector3D v2)
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{
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return (float)sqrt(pow((v1.Get().x - v2.Get().x), 2) + pow((v1.Get().y - v2.Get().y), 2) + pow((v1.Get().z - v2.Get().z), 2));
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}
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Vector3D Vector3D::CrossProduct(Vector3D v1, Vector3D v2)
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{
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// v1.GetY() * v2.GetZ() - v1.GetZ() * v2.GetY()
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float crossedX = v1.Get().y * v2.Get().z - v1.Get().z * v2.Get().y;
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// v1.GetZ() * v2.GetX() - v1.GetX() * v2.GetZ()
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float crossedY = v1.Get().z * v2.Get().x - v1.Get().x * v2.Get().z;
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// v1.GetX() * v2.GetY() - v1.GetY() * v2.GetX()
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float crossedZ = v1.Get().x * v2.Get().y - v1.Get().y * v2.Get().x;
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return Vector3D(crossedX, crossedY, crossedZ);
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}
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Vector3D& Vector3D::operator= (const Vector3D& rhs)
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{
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if (this != &rhs)
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{
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Copy(rhs);
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}
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return *this;
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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(_vector.x + rhs.Get().x, _vector.y + rhs.Get().y, _vector.z + rhs.Get().z);
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}
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Vector3D& Vector3D::operator+= (const Vector3D& rhs)
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{
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_vector.x += rhs.Get().x;
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_vector.y += rhs.Get().y;
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_vector.z += rhs.Get().z;
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return *this;
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}
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const Vector3D Vector3D::operator/ (const float rhs) const
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{
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return Vector3D(_vector.x / rhs, _vector.y / rhs, _vector.z / rhs);
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}
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const Vector3D Vector3D::operator/ (const int rhs) const
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{
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return Vector3D(_vector.x / rhs, _vector.y / rhs, _vector.z / rhs);
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}
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void Vector3D::Copy(const Vector3D& other)
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{
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_vector.x = other.Get().x;
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_vector.y = other.Get().y;
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_vector.z = other.Get().z;
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} |