Initial Cross Platform Work

include/pd/core/vec3.hpp

@@ -0,0 +1,160 @@
+#pragma once
+
+/*
+MIT License
+Copyright (c) 2024 - 2025 René Amthor (tobid7)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+
+#include <pd/core/common.hpp>
+#include <pd/core/vec2.hpp>
+
+namespace PD {
+template <typename T>
+class vec3 {
+ public:
+  // SECTION: Constructors //
+
+  vec3() = default;
+  vec3(T v) {
+    x = v;
+    y = v;
+    z = v;
+  }
+  vec3(T x, T y, T z) {
+    this->x = x;
+    this->y = y;
+    this->z = z;
+  }
+
+  vec3(const vec3 &v) {
+    x = v.x;
+    y = v.y;
+    z = v.z;
+  }
+
+  // SECTION: Operators //
+
+  // ADD //
+
+  vec3 &operator+=(T v) {
+    x += v;
+    y += v;
+    z += v;
+    return *this;
+  }
+  vec3 &operator+=(const vec3 &v) {
+    x += v.x;
+    y += v.y;
+    z += v.z;
+    return *this;
+  }
+  vec3 operator+(T v) const { return vec3(x + v, y + v, z + v); }
+  vec3 operator+(vec3 v) const { return vec3(x + v.x, y + v.y, z + v.z); }
+
+  // SUB //
+
+  vec3 &operator-=(T v) {
+    x -= v;
+    y -= v;
+    z -= v;
+    return *this;
+  }
+  vec3 &operator-=(const vec3 &v) {
+    x -= v.x;
+    y -= v.y;
+    z -= v.z;
+    return *this;
+  }
+  vec3 operator-(T v) const { return vec3(x - v, y - v, z - v); }
+  vec3 operator-(vec3 v) const { return vec3(x - v.x, y - v.y, z - v.z); }
+
+  // MUL //
+
+  vec3 &operator*=(T v) {
+    x *= v;
+    y *= v;
+    z *= v;
+    return *this;
+  }
+  vec3 &operator*=(const vec3 &v) {
+    x *= v.x;
+    y *= v.y;
+    z *= v.z;
+    return *this;
+  }
+  vec3 operator*(T v) const { return vec3(x * v, y * v, z * v); }
+  vec3 operator*(vec3 v) const { return vec3(x * v.x, y * v.y, z * v.z); }
+
+  // DIV //
+
+  vec3 &operator/=(T v) {
+    x /= v;
+    y /= v;
+    z /= v;
+    return *this;
+  }
+  vec3 &operator/=(const vec3 &v) {
+    x /= v.x;
+    y /= v.y;
+    z /= v.z;
+    return *this;
+  }
+  vec3 operator/(T v) const { return vec3(x / v, y / v, z / v); }
+  vec3 operator/(vec3 v) const { return vec3(x / v.x, y / v.y, z / v.z); }
+
+  // Make Negative //
+  vec3 operator-() const { return vec3(-x, -y, -z); }
+
+  bool operator==(const vec3 &v) const {
+    return x == v.x && y == v.y && z == v.z;
+  }
+  bool operator!=(const vec3 &v) const { return !(*this == v); }
+
+  // SECTION: Additional Functions //
+
+  float Len() const { return sqrt(SqLen()); }
+  float SqLen() const { return x * x + y * y + z * z; }
+  void SwapXY() {
+    T t = x;
+    x = y;
+    y = t;
+  }
+  void SwapYZ() {
+    T t = z;
+    z = y;
+    y = t;
+  }
+  void SwapXZ() {
+    T t = z;
+    z = x;
+    x = t;
+  }
+
+  // SECTION: DATA //
+  T x = 0;
+  T y = 0;
+  T z = 0;
+};
+
+using dvec3 = vec3<double>;
+using fvec3 = vec3<float>;
+using ivec3 = vec3<int>;
+}  // namespace PD