static void KeyboardCallback(unsigned char key, int x, int y)
{
switch (key)
{
case 27: exit(0); break;
case '+':
{
if(gTest!=MAX_NB_TESTS-1)
{
gCollisionTests[gTest]->Deselect();
gTest++;
gSelectedTest++;
gCollisionTests[gTest]->Select();
}
}
break;
case '-':
{
if(gTest)
{
gCollisionTests[gTest]->Deselect();
gTest--;
gSelectedTest--;
gCollisionTests[gTest]->Select();
}
}
break;
case 101: MoveCameraForward(); break;
case 103: MoveCameraBackward(); break;
case 100: MoveCameraRight(); break;
case 102: MoveCameraLeft(); break;
default: gCollisionTests[gTest]->KeyboardCallback(key, x, y); break;
}
TwEventKeyboardGLUT(key, x, y);
}
void AMainCameraSpecPawn::Tick(float DeltaSeconds) {
Super::Tick(DeltaSeconds);
FVector2D MousePosition;
FVector2D ViewportSize;
UGameViewportClient* GameViewport = GEngine->GameViewport;
check(GameViewport);
GameViewport->GetViewportSize(ViewportSize);
// Check if input is detectable
if (GameViewport->IsFocused(GameViewport->Viewport) &&
GameViewport->GetMousePosition(MousePosition) &&
bCanMoveCamera) {
// Edge of screen movement
if (MousePosition.X < CameraScrollBounds) {
YMovement = -1.0f;
} else if (ViewportSize.X - MousePosition.X < CameraScrollBounds) {
YMovement = 1.0f;
}
if (MousePosition.Y < CameraScrollBounds) {
XMovement = 1.0f;
}
else if (ViewportSize.Y - MousePosition.Y < CameraScrollBounds) {
XMovement = -1.0f;
}
// movement
MoveCameraForward(XMovement * FastMoveMultiplier * DeltaSeconds);
MoveCameraRight(YMovement * FastMoveMultiplier * DeltaSeconds);
}
}
//将Camera向所看方向的反方向移动一段距离
void MoveCameraBackward(float distance)
{
MoveCameraForward(-distance);
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
switch (message)
{
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// 分析菜单选择:
switch (wmId)
{
case IDM_ABOUT:
DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
// TODO: 在此添加任意绘图代码...
EndPaint(hWnd, &ps);
break;
case WM_MOUSEMOVE:
moving = true;
hovering = false;
lastCursorPos = currentCursorPos;
currentCursorPos.x = (float)GET_X_LPARAM(lParam);
currentCursorPos.y = (float)GET_Y_LPARAM(lParam);
TRACKMOUSEEVENT tme;
tme.cbSize = sizeof(TRACKMOUSEEVENT);
tme.dwFlags = TME_HOVER;
tme.dwHoverTime = 100;
tme.hwndTrack = hWnd;
TrackMouseEvent(&tme);
break;
case WM_LBUTTONDOWN:
currentCursorPos.x = (float)GET_X_LPARAM(lParam);
currentCursorPos.y = (float)GET_Y_LPARAM(lParam);
lastCursorPos = currentCursorPos;
dragging = true;
break;
case WM_LBUTTONUP:
dragging = false;
break;
case WM_MOUSEHOVER:
lastCursorPos = currentCursorPos;
currentCursorPos.x = (float)GET_X_LPARAM(lParam);
currentCursorPos.y = (float)GET_Y_LPARAM(lParam);
hovering = true;
moving = false;
break;
case WM_KEYDOWN:
switch(wParam)
{
case VK_ESCAPE: //按Esc退出
PostQuitMessage(0);
break;
case 'P': //按'P'暂停/恢复
Pause = Pause ? false : true;
break;
//camera 操作
case 'W':
MoveCameraForward(3.0f);
break;
case 'S':
MoveCameraBackward(3.0f);
break;
case 'A':
MoveCameraLeft(3.0f);
break;
case 'D':
MoveCameraRight(3.0f);
break;
case 'R':
ResetCamera();
break;
//参考：http://forums.codeguru.com/showthread.php?302925-Where-is-Page-Up-Down-Accelerator-Key&p=981700#post981700
//Page Up : VK_PRIOR
//Page Down : VK_NEXT
case VK_PRIOR:
MoveCameraUpward(3.0f);
break;
case VK_NEXT:
MoveCameraDownward(3.0f);
break;
case 'Q':
RotateCameraHorizontally(-D3DX_PI/45);
break;
case 'E':
RotateCameraHorizontally(D3DX_PI/45);
break;
case VK_HOME:
RotateCameraVertically(-D3DX_PI/45);
break;
case VK_END:
RotateCameraVertically(D3DX_PI/45);
break;
case VK_SPACE:
bStepForward = true;
break;
}
break;
case WM_DESTROY:
Destroy();
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
