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| author | dawidg81 <dawidgorski.m@gmail.com> | 2026-02-13 10:13:59 +0100 |
|---|---|---|
| committer | dawidg81 <dawidgorski.m@gmail.com> | 2026-02-13 10:13:59 +0100 |
| commit | fbc5c101783533f90a3053671de5314c2c6a1c1a (patch) | |
| tree | 018ac888d94025249c296cd32bfd4ff57376792d /sample3.cpp | |
| parent | c1dbeff8d56b1602d4df80e1e46ac4dbf2dca981 (diff) | |
Directory cleanup
Diffstat (limited to 'sample3.cpp')
| -rw-r--r-- | sample3.cpp | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/sample3.cpp b/sample3.cpp deleted file mode 100644 index 70c1e13..0000000 --- a/sample3.cpp +++ /dev/null @@ -1,130 +0,0 @@ -#include "graphics.h" -#include <cmath> -#include <vector> -#include <cstdlib> - -struct Vec3 { - float x, y, z; -}; - -Vec3 rotateX(const Vec3& v, float angle) { - float c = std::cos(angle); - float s = std::sin(angle); - return { v.x, v.y * c - v.z * s, v.y * s + v.z * c }; -} - -Vec3 rotateY(const Vec3& v, float angle) { - float c = std::cos(angle); - float s = std::sin(angle); - return { v.x * c + v.z * s, v.y, -v.x * s + v.z * c }; -} - -Vec3 rotateZ(const Vec3& v, float angle) { - float c = std::cos(angle); - float s = std::sin(angle); - return { v.x * c - v.y * s, v.x * s + v.y * c, v.z }; -} - -void project(const Vec3& v, int& x2d, int& y2d, float width, float height, float zoom) { - float distance = 4.0f; - float z = v.z + distance; - float factor = zoom / z; - - x2d = static_cast<int>(v.x * factor + width / 2); - y2d = static_cast<int>(v.y * factor + height / 2); -} - -struct Star { - float x, y, z; -}; - -int main() { - const int width = 800; - const int height = 600; - - WindowHandle* window = createWindow("DEMOSCENE CUBE", width, height); - if (!window) return -1; - - std::vector<Vec3> vertices = { - {-1,-1,-1},{1,-1,-1},{1,1,-1},{-1,1,-1}, - {-1,-1,1},{1,-1,1},{1,1,1},{-1,1,1} - }; - - std::vector<std::pair<int,int>> edges = { - {0,1},{1,2},{2,3},{3,0}, - {4,5},{5,6},{6,7},{7,4}, - {0,4},{1,5},{2,6},{3,7} - }; - - // Starfield - const int starCount = 300; - std::vector<Star> stars; - for (int i = 0; i < starCount; ++i) { - stars.push_back({ - ((rand() % 200) - 100) / 10.0f, - ((rand() % 200) - 100) / 10.0f, - (rand() % 100) / 10.0f - }); - } - - float time = 0.0f; - - while (!windowShouldClose(window)) { - pollEvents(window); - - // Pulsing background - int bg = static_cast<int>((std::sin(time * 0.5f) + 1.0f) * 20); - clearScreen(window, Color(bg, 0, bg + 20)); - - // --- STARFIELD --- - for (auto& star : stars) { - star.z -= 0.05f; - if (star.z <= 0.1f) - star.z = 10.0f; - - int sx = static_cast<int>((star.x / star.z) * 200 + width/2); - int sy = static_cast<int>((star.y / star.z) * 200 + height/2); - - if (sx >= 0 && sx < width && sy >= 0 && sy < height) - drawPixel(window, sx, sy, Color(255,255,255)); - } - - // Color cycling (rainbow) - int r = static_cast<int>((std::sin(time) + 1) * 127); - int g = static_cast<int>((std::sin(time + 2) + 1) * 127); - int b = static_cast<int>((std::sin(time + 4) + 1) * 127); - - float zoom = 150.0f + std::sin(time) * 50.0f; - - // --- MULTI-CUBE EFFECT --- - for (int c = 0; c < 3; ++c) { - - float offset = c * 2.5f - 2.5f; - - std::vector<Vec3> transformed; - - for (const auto& v : vertices) { - Vec3 r3 = rotateX(v, time + c); - r3 = rotateY(r3, time * 0.7f + c); - r3 = rotateZ(r3, time * 0.5f); - r3.x += offset; - transformed.push_back(r3); - } - - for (const auto& edge : edges) { - int x1, y1, x2, y2; - project(transformed[edge.first], x1, y1, width, height, zoom); - project(transformed[edge.second], x2, y2, width, height, zoom); - drawLine(window, x1, y1, x2, y2, Color(r, g, b)); - } - } - - swapBuffers(window); - - time += 0.02f; - delay(16); - } - - destroyWindow(window); - return 0; -} |
