LRESULT CALLBACK WinProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) {
switch (msg) {
case WM_CREATE: {
hdc = GetDC(hWnd);
GetClientRect(hWnd,&rect);
int ret = SetTimer(hWnd, TIMER_ID, 5, NULL);
initFigures();
break;
}
case WM_PAINT: {
BeginPaint(hWnd, &ps);
Paint(hWnd, &ps);
EndPaint(hWnd, &ps);
}
break;
case WM_LBUTTONDOWN: {
Figure *figure;
figure = new Figure(rand()%rect.right, rand()%rect.bottom, 100, 100);
figure->setCircle(false);
figure->setDir(rand()%4);
figure->setVelocity(rand()%8 + 1);
figure->setColor(rand()%250, rand()%250, rand()%250);
vec.push_back(*figure);
vectorSize++;
break;
}
case WM_MOUSEWHEEL : {
int deltaZ = (short) HIWORD(wParam);
if(deltaZ > 0) {
velocity += 2;
}else {
if(velocity > 0)
velocity -= 2;
}
break;
}
case WM_TIMER: {
InvalidateRect(hWnd, &rect, FALSE);
}
break;
case WM_DESTROY: {
KillTimer(hWnd, TIMER_ID);
PostQuitMessage(0);
return 0;
}
}
return DefWindowProc(hWnd, msg, wParam, lParam);
}
void initFigures() {
srand(time(NULL));
Figure *figure;
for(int i = 0; i < vectorSize; i++) {
figure = new Figure(rand()%rect.right, rand()%rect.bottom, 50, 50);
figure->setCircle(false);
figure->setDir(rand()%4);
figure->setVelocity(rand()%1 + 1);
figure->setColor(rand()%250, rand()%250, rand()%250);
figure->setCircle(true);
vec.push_back(*figure);
}
}
