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Editing the Projection Matrix

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mo7sener
2019-12-08 20:57:18 +02:00
parent 2f5437396c
commit ad56096eb3
2 changed files with 64 additions and 32 deletions
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OpenWindow/main.cpp
+34 -23
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@@ -35,38 +35,49 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
return Msg.wParam;
}
bool HandleMouseMovement(LPARAM lParam) {
int xPos, yPos;
xPos = LOWORD(lParam);
yPos = HIWORD(lParam);
bool movement_detected_x = true;
bool movement_detected_y = true;
if (xPos > prev_mouse_x)
move_camera_right();
else if (xPos < prev_mouse_x)
move_camera_left();
else
movement_detected_x = false;
prev_mouse_x = xPos;
if (yPos > prev_mouse_y)
move_camera_up();
else if (yPos < prev_mouse_y)
move_camera_down();
else
movement_detected_y = false;
prev_mouse_y = yPos;
return movement_detected_x || movement_detected_y;
}
void Update_Window() {
render();
Update();
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_MOUSEMOVE:
int xPos, yPos;
xPos = LOWORD(lParam);
yPos = HIWORD(lParam);
if (xPos == prev_mouse_x)
break;
else if (xPos > prev_mouse_x)
move_camera_right();
else
move_camera_left();
prev_mouse_x = xPos;
if (yPos == prev_mouse_y)
break;
else if (yPos > prev_mouse_y)
move_camera_up();
else
move_camera_down();
prev_mouse_y = yPos;
render();
Update();
if(HandleMouseMovement(lParam))
Update_Window();
break;
case WM_RBUTTONDOWN:
break;
case WM_LBUTTONDOWN:
Update();
break;
case WM_CLOSE:
DestroyWindow(hwnd);