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-rw-r--r--vec3.cpp101
1 files changed, 0 insertions, 101 deletions
diff --git a/vec3.cpp b/vec3.cpp
deleted file mode 100644
index e894a01..0000000
--- a/vec3.cpp
+++ /dev/null
@@ -1,101 +0,0 @@
-/* copy-pasted from:
- * https://www.programming-techniques.com/2013/05/basic-euclidean-vector-operations-in-c.htm
- */
-
-#include <iostream>
-#include <cmath>
-#include "vec3.h"
-using std::ostream;
-vec3::vec3() {
- v[0] = 0;
- v[1] = 0;
- v[2] = 0;
-}
-vec3::vec3(scalar x) {
- v[0] = x;
- v[1] = 0;
- v[2] = 0;
-}
-vec3::vec3(scalar x, scalar y, scalar z) {
- v[0] = x;
- v[1] = y;
- v[2] = z;
-}
-scalar &vec3::operator[](int index) {
- return v[index];
-}
-scalar vec3::operator[](int index) const {
- return v[index];
-}
-vec3 vec3::operator*(scalar scale) const {
- return vec3(v[0] * scale, v[1] * scale, v[2] * scale);
-}
-vec3 vec3::operator/(scalar scale) const {
- return vec3(v[0] / scale, v[1] / scale, v[2] / scale);
-}
-vec3 vec3::operator+(const vec3 &other) const{
- return vec3(v[0] + other.v[0], v[1] + other.v[1], v[2] + other.v[2]);
-}
-vec3 vec3::operator-(const vec3 &other) const {
- return vec3(v[0] - other.v[0], v[1] - other.v[1], v[2] - other.v[2]);
-}
-vec3 vec3::operator-() const {
- return vec3(-v[0], -v[1], -v[2]);
-}
-const vec3 &vec3::operator*=(scalar scale) {
- v[0] *= scale;
- v[1] *= scale;
- v[2] *= scale;
- return *this;
-}
-const vec3 &vec3::operator/=(scalar scale) {
- v[0] /= scale;
- v[1] /= scale;
- v[2] /= scale;
- return *this;
-}
-const vec3 &vec3::operator+=(const vec3 &other) {
- v[0] += other.v[0];
- v[1] += other.v[1];
- v[2] += other.v[2];
- return *this;
-}
-const vec3 &vec3::operator-=(const vec3 &other) {
- v[0] -= other.v[0];
- v[1] -= other.v[1];
- v[2] -= other.v[2];
- return *this;
-}
-scalar vec3::magnitude() const {
- return sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]);
-}
-scalar vec3::magnitudeSquared() const {
- return v[0] * v[0] + v[1] * v[1] + v[2] * v[2];
-}
-vec3 vec3::normalize() const {
- scalar m = sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]);
- return vec3(v[0] / m, v[1] / m, v[2] / m);
-}
-scalar vec3::dot(const vec3 &other) const {
- return v[0] * other.v[0] + v[1] * other.v[1] + v[2] * other.v[2];
-}
-vec3 vec3::cross(const vec3 &other) const {
- return vec3(v[1] * other.v[2] - v[2] * other.v[1],
- v[2] * other.v[0] - v[0] * other.v[2],
- v[0] * other.v[1] - v[1] * other.v[0]);
-}
-std::ostream &operator<<(std::ostream &output, const vec3 &v) {
- return output << v[0] << " " << v[1] << " " << v[2];
-}
-
-std::istream &operator>>(std::istream &input, vec3 &v)
-{
- if(!(input >> v[0] >> v[1] >> v[2]))
- throw "error parsing vector";
- return input;
-}
-
-vec3 operator*(scalar scale, const vec3 &v)
-{
- return v * scale;
-}