redstrate/raytracer
1
Fork 0
Code Activity

Use a multi-dimensional subscript operator

Browse source
This commit is contained in:
Joshua Goins 2024-09-25 10:48:19 +02:00
parent a844a5c2d7
commit 475fd8fe90
2 changed files with 5 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
include/image.h
View file

@ -9,12 +9,8 @@ public:
array = {}; array = {};
} }
T& get(const int32_t x, const int32_t y) { decltype(auto) operator[](this auto& self, const int32_t x, const int32_t y) {
return array[y * Width + x]; return self.array[y * Width + x];
}
T get(const int32_t x, const int32_t y) const {
return array[y * Width + x];
} }
std::array<T, Width * Height> array = {}; std::array<T, Width * Height> array = {};

4
src/main.cpp
View file

@ -74,7 +74,7 @@ bool calculate_tile(const int32_t from_x, const int32_t to_width, const int32_t
break; break;
} }
colors.get(x, y) = glm::vec4(chosen_display, 1.0f); colors[x, y] = glm::vec4(chosen_display, 1.0f);
image_dirty = true; image_dirty = true;
} }
@ -189,7 +189,7 @@ void dump_to_file() {
int i = 0; int i = 0;
for (int32_t y = height - 1; y >= 0; y--) { for (int32_t y = height - 1; y >= 0; y--) {
for (int32_t x = 0; x < width; x++) { for (int32_t x = 0; x < width; x++) {
const glm::ivec4 c = colors.get(x, y); const glm::ivec4 c = colors[x, y];
pixels[i++] = c.r; pixels[i++] = c.r;
pixels[i++] = c.g; pixels[i++] = c.g;
pixels[i++] = c.b; pixels[i++] = c.b;