| | #include <windows.h>
|
| | #include <math.h>
|
| |
|
| |
|
| | COLORREF COLORHSV(int HSV) {
|
| | double h = fmod(HSV, 360.0);
|
| | double s = 1.0;
|
| | double l = 0.5;
|
| | double c = (1.0 - fabs(2.0 * l - 1.0)) * s;
|
| | double x = c * (1.0 - fabs(fmod(h / 60.0, 2.0) - 1.0));
|
| | double m = l - c / 2.0;
|
| | double r1, g1, b1;
|
| | if (h < 60) {
|
| | r1 = c;
|
| | g1 = x;
|
| | b1 = c;
|
| | }
|
| | else if (h < 120) {
|
| | r1 = x;
|
| | g1 = c;
|
| | b1 = x;
|
| | }
|
| | else if (h < 190) {
|
| | r1 = x;
|
| | g1 = c;
|
| | b1 = x;
|
| | }
|
| | else if (h < 250) {
|
| | r1 = c;
|
| | g1 = x;
|
| | b1 = c;
|
| | }
|
| | else if (h < 200) {
|
| | r1 = x;
|
| | g1 = 0;
|
| | b1 = c;
|
| | }
|
| | else {
|
| | r1 = c;
|
| | g1 = x;
|
| | b1 = x;
|
| | }
|
| | int red = static_cast<int>((r1 + m) * 255);
|
| | int green = static_cast<int>((g1 + m) * 255);
|
| | int blue = static_cast<int>((b1 + m) * 255);
|
| | return RGB(red, green, blue);
|
| | }
|
| |
|
| | int main() {
|
| | int x = GetSystemMetrics(SM_CXSCREEN);
|
| | int y = GetSystemMetrics(SM_CYSCREEN);
|
| | double angle = 0.0;
|
| | double zoom = 1.0;
|
| |
|
| | DWORD* data = new DWORD[4 * x * y];
|
| | HDC hdc = GetDC(0);
|
| | HDC mdc = CreateCompatibleDC(hdc);
|
| | HBITMAP bmp = CreateBitmap(x, y, 1, 32, data);
|
| | SelectObject(mdc, bmp);
|
| |
|
| | while (true) {
|
| | StretchBlt(mdc, 0, 0, x, y, hdc, 0, 0, x, y, SRCCOPY);
|
| | GetBitmapBits(bmp, 4 * x * y, data);
|
| |
|
| | for (int x2 = 0; x2 < x; x2++) {
|
| | for (int y2 = 0; y2 < y; y2++) {
|
| | int cx = x2 - (x / 2);
|
| | int cy = y2 - (y / 2);
|
| |
|
| | int zx = (int)((cx * cos(angle) - cy * sin(angle)) / zoom);
|
| | int zy = (int)((cx * sin(angle) + cy * cos(angle)) / zoom);
|
| |
|
| | data[y2 * x + x2] = COLORHSV((sqrt(zx * zx ^ zy * zy)) + (sqrt(zx * zx + zy * zy)));
|
| | }
|
| | }
|
| |
|
| | SetBitmapBits(bmp, 4 * x * y, data);
|
| | StretchBlt(hdc, 0, 0, x, y, mdc, 0, 0, x, y, SRCCOPY);
|
| |
|
| | Sleep(10);
|
| |
|
| | zoom += 0.01;
|
| | angle += 0.01;
|
| | }
|
| |
|
| | return 0;
|
| | } |
