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Review camera system

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raysan5
2015-08-28 14:14:12 +02:00
parent ef36950b72
commit 322ca97c24
2 changed files with 61 additions and 29 deletions
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79
src/camera.c
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@@ -123,6 +123,7 @@ static int IsKeyDown(int key) { return 0; }
//----------------------------------------------------------------------------------
// Select camera mode (multiple camera modes available)
// TODO: Review hardcoded values when changing modes...
void SetCameraMode(int mode)
{
if ((cameraMode == CAMERA_FIRST_PERSON) && (mode == CAMERA_FREE))
@@ -144,7 +145,7 @@ void SetCameraMode(int mode)
cameraTargetDistance = 10;
cameraAngle.x = 45 * DEG2RAD;
cameraAngle.y = -40 * DEG2RAD;
internalCamera.target = (Vector3){ 0, 0, 0};
internalCamera.target = (Vector3){ 0, 0, 0 };
ProcessCamera(&internalCamera, &internalCamera.position);
ShowCursor();
@@ -154,7 +155,7 @@ void SetCameraMode(int mode)
cameraTargetDistance = 10;
cameraAngle.x = 225 * DEG2RAD;
cameraAngle.y = -40 * DEG2RAD;
internalCamera.target = (Vector3){ 3, 0, 3};
internalCamera.target = (Vector3){ 0, 0, 0};
ProcessCamera(&internalCamera, &internalCamera.position);
}
@@ -162,6 +163,7 @@ void SetCameraMode(int mode)
}
// Update camera with position
// TODO: I don't like how this function works right now... not clear enough...
Camera UpdateCamera(Vector3 *position)
{
// Calculate camera
@@ -170,6 +172,55 @@ Camera UpdateCamera(Vector3 *position)
return internalCamera;
}
// Set internal camera position
void SetCameraPosition(Vector3 position)
{
internalCamera.position = position;
Vector3 v1 = internalCamera.position;
Vector3 v2 = internalCamera.target;
float dx = v2.x - v1.x;
float dy = v2.y - v1.y;
float dz = v2.z - v1.z;
cameraTargetDistance = sqrt(dx*dx + dy*dy + dz*dz);
}
// Set internal camera target
void SetCameraTarget(Vector3 target)
{
internalCamera.target = target;
Vector3 v1 = internalCamera.position;
Vector3 v2 = internalCamera.target;
float dx = v2.x - v1.x;
float dy = v2.y - v1.y;
float dz = v2.z - v1.z;
cameraTargetDistance = sqrt(dx*dx + dy*dy + dz*dz);
}
// Set camera pan key to combine with mouse movement (free camera)
void SetCameraPanControl(int panKey)
{
panControlKey = panKey;
}
// Set camera alt key to combine with mouse movement (free camera)
void SetCameraAltControl(int altKey)
{
altControlKey = altKey;
}
// Set camera smooth zoom key to combine with mouse (free camera)
void SetCameraSmoothZoomControl(int szKey)
{
smoothZoomControlKey = szKey;
}
// Set camera move controls (1st person and 3rd person cameras)
void SetCameraMoveControls(int frontKey, int backKey, int leftKey, int rightKey, int upKey, int downKey)
{
cameraMoveControl[MOVE_FRONT] = frontKey;
@@ -180,32 +231,12 @@ void SetCameraMoveControls(int frontKey, int backKey, int leftKey, int rightKey,
cameraMoveControl[MOVE_DOWN] = downKey;
}
// Set camera mouse sensitivity (1st person and 3rd person cameras)
void SetCameraMouseSensitivity(float sensitivity)
{
mouseSensitivity = (sensitivity / 10000.0);
}
void SetCameraPanControl(int panKey)
{
panControlKey = panKey;
}
void SetCameraAltControl(int altKey)
{
altControlKey = altKey;
}
void SetCameraSmoothZoomControl(int szKey)
{
smoothZoomControlKey = szKey;
}
void SetCameraTarget(Vector3 target)
{
internalCamera.target = target;
}
//----------------------------------------------------------------------------------
// Module specific Functions Definition
//----------------------------------------------------------------------------------
@@ -298,7 +329,7 @@ static void ProcessCamera(Camera *camera, Vector3 *playerPosition)
}
else if ((camera->position.y < camera->target.y) && (camera->target.y > 0) && (mouseWheelMove > 0))
{
cameraTargetDistance -= (mouseWheelMove * CAMERA_SCROLL_SENSITIVITY);
cameraTargetDistance -= (mouseWheelMove*CAMERA_SCROLL_SENSITIVITY);
if (cameraTargetDistance < FREE_CAMERA_DISTANCE_MIN_CLAMP) cameraTargetDistance = FREE_CAMERA_DISTANCE_MIN_CLAMP;
}

11
src/camera.h
View File

@@ -76,18 +76,19 @@ extern "C" { // Prevents name mangling of functions
// Module Functions Declaration
//----------------------------------------------------------------------------------
void SetCameraMode(int mode); // Set camera mode (multiple camera modes available)
Camera UpdateCamera(Vector3 *playerPosition); // Update camera and player position (1st person and 3rd person cameras)
Camera UpdateCamera(Vector3 *position); // Update camera and player position (1st person and 3rd person cameras)
void SetCameraMoveControls(int frontKey, int backKey,
int leftKey, int rightKey,
int upKey, int downKey); // Set camera move controls (1st person and 3rd person cameras)
void SetCameraPosition(Vector3 position); // Set internal camera position
void SetCameraTarget(Vector3 target); // Set internal camera target
void SetCameraPanControl(int panKey); // Set camera pan key to combine with mouse movement (free camera)
void SetCameraAltControl(int altKey); // Set camera alt key to combine with mouse movement (free camera)
void SetCameraSmoothZoomControl(int szKey); // Set camera smooth zoom key to combine with mouse (free camera)
void SetCameraMoveControls(int frontKey, int backKey,
int leftKey, int rightKey,
int upKey, int downKey); // Set camera move controls (1st person and 3rd person cameras)
void SetCameraMouseSensitivity(float sensitivity); // Set camera mouse sensitivity (1st person and 3rd person cameras)
void SetCameraTarget(Vector3 target); // Set internal camera target
#ifdef __cplusplus
}