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- /*
- * DoRayMe - a quick and dirty Raytracer
- * Matrix header
- *
- * Created by Manoël Trapier
- * Copyright (c) 2020 986-Studio.
- *
- */
- #ifndef DORAYME_MATRIX_H
- #define DORAYME_MATRIX_H
- #include <tuples.h>
- class Matrix
- {
- private:
- /* 4x4 is the default */
- double data[4*4];
- int width;
- public:
- Matrix(int width) : width(width)
- {
- int i;
- for(i = 0; i < width*width; i++)
- {
- this->data[i] = 0;
- }
- };
- Matrix(double values[], int width)
- {
- int x, y;
- this->width = width;
- for(y = 0; y < this->width; y++)
- {
- for (x = 0 ; x < this->width ; x++)
- {
- this->data[this->width * x + y] = values[this->width * x + y];
- }
- }
- };
- double get(int x, int y) const { return this->data[this->width * x + y]; };
- void set(int x, int y, double v) { this->data[this->width * x + y] = v; };
- Matrix identity()
- {
- int i;
- for(i = 0; i < this->width; i++)
- {
- this->set(i, i, 1);
- }
- return *this;
- }
- Matrix transpose()
- {
- int x, y;
- Matrix ret = Matrix(this->width);
- for(y = 0; y < this->width; y++)
- {
- for (x = 0 ; x < this->width ; x++)
- {
- ret.set(y, x, this->get(x, y));
- }
- }
- return ret;
- }
- bool operator==(const Matrix &b) const;
- bool operator!=(const Matrix &b) const;
- Matrix operator*(const Matrix &b) const;
- Tuple operator*(const Tuple &b) const;
- };
- class Matrix4: public Matrix
- {
- public:
- Matrix4() : Matrix(4) { };
- Matrix4(double values[]) : Matrix(values, 4) { };
- };
- class Matrix2 : public Matrix
- {
- public:
- Matrix2() : Matrix(2) { };
- Matrix2(double values[]) : Matrix(values, 2) { };
- };
- class Matrix3 : public Matrix
- {
- public:
- Matrix3() : Matrix(3) { };
- Matrix3(double values[]) : Matrix(values, 3) { };
- };
- #endif /* DORAYME_MATRIX_H */
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