File size: 2,227 Bytes
cd295bd | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | #include <windows.h>
#include <MATH.h>
COLORREF COLORHSL(int length) {
double h = fmod(length, 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 = 0;
}
else if (h < 120) {
r1 = x;
g1 = c;
b1 = 0;
}
else if (h < 180) {
r1 = 0;
g1 = c;
b1 = x;
}
else if (h < 240) {
r1 = 0;
g1 = x;
b1 = c;
}
else if (h < 300) {
r1 = x;
g1 = 0;
b1 = c;
}
else {
r1 = c;
g1 = 0;
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);
}
typedef union COLOR {
COLORREF rgb;
struct {
BYTE blue;
BYTE green;
BYTE red;
};
} COLOR;
DWORD WINAPI shader4(LPVOID lpParam) {
int x = GetSystemMetrics(SM_CXSCREEN);
int y = GetSystemMetrics(SM_CYSCREEN);
int j = 1;
int c = 0;
COLOR* data = (COLOR*)VirtualAlloc(0, (x * y + x) * sizeof(COLOR), MEM_COMMIT, PAGE_READWRITE);
HDC hdc = GetDC(0);
HDC mdc = CreateCompatibleDC(hdc);
HBITMAP bmp = CreateBitmap(x, y, 1, 32, data);
SelectObject(mdc, bmp);
while (true) {
BitBlt(mdc, 0, 0, x, y, hdc, 0, 0, SRCCOPY);
GetBitmapBits(bmp, x * y * sizeof(COLOR), data);
for (int x2 = 0; x2 < x; x2++) {
for (int y2 = 0; y2 < y; y2++) {
int j = c * 4;
int wave = (int)(j + (j * cbrt(((x2 * x2) - (y2 * y2)) / 64)));
data[y2 * x + x2].rgb = COLORHSL((x * y) + wave);
}
}
c++;
SetBitmapBits(bmp, x * y * sizeof(COLOR), data);
BitBlt(hdc, 0, 0, x, y, mdc, 0, 0, SRCCOPY);
Sleep(10);
}
}
int main() {
CreateThread(0, 0, shader4, 0, 0, 0);
Sleep(-1);
return 0;
}
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