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Diffstat (limited to 'Source/Math/vec3.h')
-rw-r--r-- | Source/Math/vec3.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/Source/Math/vec3.h b/Source/Math/vec3.h new file mode 100644 index 00000000..8b1b33c2 --- /dev/null +++ b/Source/Math/vec3.h @@ -0,0 +1,98 @@ +//----------------------------------------------------------------------------- +// Name: vec3.h +// Developer: Wolfire Games LLC +// Description: +// License: Read below +//----------------------------------------------------------------------------- +// +// Copyright 2022 Wolfire Games LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +//----------------------------------------------------------------------------- +#pragma once + +#include <Math/vec2.h> + +#include <cassert> +#include <iostream> + +class vec3{ + public: + float entries[3]; + + inline explicit vec3(float val = 0.0f) { + entries[0] = val; + entries[1] = val; + entries[2] = val; + } + + inline vec3(float newx, float newy, float newz) { + entries[0] = newx; + entries[1] = newy; + entries[2] = newz; + } + + inline vec3(const vec2 &vec, float newz) { + entries[0] = vec[0]; + entries[1] = vec[1]; + entries[2] = newz; + } + + inline vec3& operator=(float param) { + entries[0] = param; + entries[1] = param; + entries[2] = param; + return *this; + } + + inline vec3& operator=(const vec3 ¶m) { + entries[0] = param.entries[0]; + entries[1] = param.entries[1]; + entries[2] = param.entries[2]; + return *this; + } + + inline float& operator[](const int which) { + assert(which < 3); + return entries[which]; + } + + inline const float& operator[](const int which) const { + return entries[which]; + } + + inline const float& x() const { return entries[0]; } + inline const float& y() const { return entries[1]; } + inline const float& z() const { return entries[2]; } + inline float& x() { return entries[0]; } + inline float& y() { return entries[1]; } + inline float& z() { return entries[2]; } + inline const float& r() const { return entries[0]; } + inline const float& g() const { return entries[1]; } + inline const float& b() const { return entries[2]; } + inline float& r() { return entries[0]; } + inline float& g() { return entries[1]; } + inline float& b() { return entries[2]; } + + inline vec2 xy() const { + return vec2(entries[0], entries[1]); + } + + inline float *operator*() { return entries; } +}; + +inline std::ostream& operator<<(std::ostream &os, const vec3& vec) { + os << "vec3(" << vec[0] << ", " << vec[1] << ", " << vec[2] << ")"; + return os; +} |