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Lock cursor on first person camera

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Ray
2017-05-08 21:03:48 +02:00
parent 35c6aff21f
commit fd1fe3ac14
2 changed files with 31 additions and 42 deletions
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52
src/camera.h
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@@ -203,15 +203,14 @@ static int cameraMode = CAMERA_CUSTOM; // Current camera mode
#if defined(CAMERA_STANDALONE)
// NOTE: Camera controls depend on some raylib input functions
// TODO: Set your own input functions (used in UpdateCamera())
static Vector2 GetMousePosition() { return (Vector2){ 0.0f, 0.0f }; }
static void SetMousePosition(Vector2 pos) {}
static void EnableCursor() {} // Unlock cursor
static void DisableCursor() {} // Lock cursor
static int IsKeyDown(int key) { return 0; }
static int IsMouseButtonDown(int button) { return 0;}
static int GetMouseWheelMove() { return 0; }
static int GetScreenWidth() { return 1280; }
static int GetScreenHeight() { return 720; }
static void ShowCursor() {}
static void HideCursor() {}
static int IsKeyDown(int key) { return 0; }
static Vector2 GetMousePosition() { return (Vector2){ 0.0f, 0.0f }; }
#endif
//----------------------------------------------------------------------------------
@@ -246,14 +245,19 @@ void SetCameraMode(Camera camera, int mode)
//cameraAngle.y = -60.0f*DEG2RAD; // Camera angle in plane XY (0 aligned with X, move positive CW)
playerEyesPosition = camera.position.y;
// Lock cursor for first person and third person cameras
if ((mode == CAMERA_FIRST_PERSON) ||
(mode == CAMERA_THIRD_PERSON)) DisableCursor();
else EnableCursor();
cameraMode = mode;
}
// Update camera depending on selected mode
// NOTE: Camera controls depend on some raylib functions:
// System: EnableCursor(), DisableCursor()
// Mouse: GetMousePosition(), SetMousePosition(), IsMouseButtonDown(), GetMouseWheelMove()
// System: GetScreenWidth(), GetScreenHeight(), ShowCursor(), HideCursor()
// Keys: IsKeyDown()
// TODO: Port to quaternion-based camera
void UpdateCamera(Camera *camera)
@@ -284,36 +288,10 @@ void UpdateCamera(Camera *camera)
if (cameraMode != CAMERA_CUSTOM)
{
// Get screen size
int screenWidth = GetScreenWidth();
int screenHeight = GetScreenHeight();
if ((cameraMode == CAMERA_FIRST_PERSON) ||
(cameraMode == CAMERA_THIRD_PERSON))
{
HideCursor();
mousePositionDelta.x = mousePosition.x - previousMousePosition.x;
mousePositionDelta.y = mousePosition.y - previousMousePosition.y;
if (mousePosition.x < (float)screenHeight/3.0f) SetMousePosition((Vector2){ screenWidth - screenHeight/3, mousePosition.y });
else if (mousePosition.y < (float)screenHeight/3.0f) SetMousePosition((Vector2){ mousePosition.x, screenHeight - screenHeight/3 });
else if (mousePosition.x > (screenWidth - (float)screenHeight/3.0f)) SetMousePosition((Vector2){ screenHeight/3, mousePosition.y });
else if (mousePosition.y > (screenHeight - (float)screenHeight/3.0f)) SetMousePosition((Vector2){ mousePosition.x, screenHeight/3 });
else
{
mousePositionDelta.x = mousePosition.x - previousMousePosition.x;
mousePositionDelta.y = mousePosition.y - previousMousePosition.y;
}
}
else // CAMERA_FREE, CAMERA_ORBITAL
{
ShowCursor();
mousePositionDelta.x = mousePosition.x - previousMousePosition.x;
mousePositionDelta.y = mousePosition.y - previousMousePosition.y;
}
// NOTE: We GetMousePosition() again because it can be modified by a previous SetMousePosition() call
// If using directly mousePosition variable we have problems on CAMERA_FIRST_PERSON and CAMERA_THIRD_PERSON
previousMousePosition = GetMousePosition();
previousMousePosition = mousePosition;
}
// Support for multiple automatic camera modes