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Adding a buggy FPS Camera with position and rotation

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This commit is contained in:
mo7sener
2019-12-09 05:46:30 +02:00
parent ad56096eb3
commit b51c63ea0c
9 changed files with 255 additions and 106 deletions
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OpenWindow/main.cpp
+37 -26
View File
@@ -6,8 +6,10 @@
const int screen_width = 1000;
const int screen_height = 1000;
int prev_mouse_x = 0;
int prev_mouse_y = 0;
#define TARGET_FRAMERATE 30
int prev_mouse_x = screen_width/2;
int prev_mouse_y = screen_height/2;
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
@@ -15,18 +17,14 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
MSG Msg;
hwnd = create_window(hInstance);
ShowCursor(false);
ShowWindow(hwnd, nCmdShow);
char debug_str[100];
init_camera();
clock_t first_time = clock();
render();
clock_t end_time = clock();
Update();
sprintf_s(debug_str, "%f\n", (double)(end_time - first_time) / CLOCKS_PER_SEC);
OutputDebugString(debug_str);
SetTimer(hwnd, NULL, 1000 / TARGET_FRAMERATE, (TIMERPROC)FixedUpdate);
while (GetMessage(&Msg, NULL, 0, 0))
{
TranslateMessage(&Msg);
@@ -35,34 +33,49 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
return Msg.wParam;
}
bool HandleMouseMovement(LPARAM lParam) {
bool HandleMouseMovement() {
int xPos, yPos;
xPos = LOWORD(lParam);
yPos = HIWORD(lParam);
POINT point;
GetCursorPos(&point);
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();
if (point.x > prev_mouse_x)
camera.rotate_camera_right();
else if (point.x < prev_mouse_x)
camera.rotate_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();
if (point.y > prev_mouse_y)
camera.rotate_camera_up();
else if (point.y < prev_mouse_y)
camera.rotate_camera_down();
else
movement_detected_y = false;
prev_mouse_y = yPos;
SetCursorPos(prev_mouse_x, prev_mouse_y);
return movement_detected_x || movement_detected_y;
}
void Update_Window() {
bool HandleButtonPressed() {
if (GetAsyncKeyState(VK_UP) & 0x8000)
camera.move_camera_forward();
if (GetAsyncKeyState(VK_DOWN) & 0x8000)
camera.move_camera_backward();
if (GetAsyncKeyState(VK_RIGHT) & 0x8000)
camera.move_camera_right();
if (GetAsyncKeyState(VK_LEFT) & 0x8000)
camera.move_camera_left();
return true;
}
void CALLBACK FixedUpdate(HWND hwnd, UINT message, UINT uInt, DWORD dWord)
{
HandleMouseMovement();
HandleButtonPressed();
camera.ApplyChanges();
render();
Update();
}
@@ -72,8 +85,6 @@ LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
switch (message)
{
case WM_MOUSEMOVE:
if(HandleMouseMovement(lParam))
Update_Window();
break;
case WM_RBUTTONDOWN:
break;