Now switching cameras in game

4 files changed, 46 insertions, 8 deletions

diff --git a/src/cameras.c b/src/cameras.c
index 6a960f5..1cf6cee 100644
--- a/src/cameras.c
+++ b/src/cameras.c
@@ -14,18 +14,36 @@ void updateFirstPersonCamera(Game * game, Camera3D * camera) {
 	Entity * player = getEntityFromWorld(game->world, 0);
 	Vector3 direction = Vector3RotateByQuaternion((Vector3){0.0, 0.0, 1.0}, player->rotation);
 
-	camera->position = Vector3Add(player->position, Vector3Scale(direction, CAMERA_DIS));
+	camera->position = Vector3Add(player->position, Vector3Scale(direction, FIRST_PERSON_CAMERA_DISTANCE));
 	camera->target = Vector3Add(camera->position, direction);
 	camera->up = Vector3RotateByQuaternion((Vector3){0.0, 1.0, 0.0}, player->rotation);
 }
 
+void initThirdPersonCamera(Game * game, Camera3D * camera) {
+	*camera = (Camera3D){
+		.fovy = 90.0,
+		.projection = CAMERA_PERSPECTIVE
+	};
+}
+
+void updateThirdPersonCamera(Game * game, Camera3D * camera) {
+	Entity * player = getEntityFromWorld(game->world, 0);
+	Vector3 direction = Vector3RotateByQuaternion(THIRD_PERSON_CAMERA_DISTANCE, player->rotation);
+
+	camera->position = Vector3Add(player->position, direction);
+	camera->target = player->position;
+	camera->up = Vector3RotateByQuaternion((Vector3){0.0, 1.0, 0.0}, player->rotation);
+}
+
 // Callbacks indeed.
 const CameraInitCb cameraInitCallbacks[CAMERA_COUNT] = {
-	initFirstPersonCamera
+	initFirstPersonCamera,
+	initThirdPersonCamera
 };
 
 const CameraCb cameraCallbacks[CAMERA_COUNT] = {
-	updateFirstPersonCamera
+	updateFirstPersonCamera,
+	updateThirdPersonCamera
 };
 
 void initCameras(Game * game, Cameras cameras) {
diff --git a/src/cameras.h b/src/cameras.h
index c892ee1..debd658 100644
--- a/src/cameras.h
+++ b/src/cameras.h
@@ -3,8 +3,11 @@
 #ifndef CAMERAS_H
 #define CAMERAS_H
 
-#define CAMERA_DIS 5.0
-#define CAMERA_COUNT 1
+#define FIRST_PERSON_CAMERA_DISTANCE 5.0
+
+#define THIRD_PERSON_CAMERA_DISTANCE (Vector3){0.0, 10.0, -20.0}
+
+#define CAMERA_COUNT 2
 
 // Each camera has a game loop callback and a init callback.
 typedef void (*CameraInitCb)(Game * game, Camera3D * camera);
@@ -14,7 +17,8 @@ extern const CameraInitCb cameraInitCallbacks[CAMERA_COUNT];
 extern const CameraCb cameraCallbacks[CAMERA_COUNT];
 
 typedef enum CameraId {
-    FIRST_PERSON_CAMERA
+    FIRST_PERSON_CAMERA,
+    THIRD_PERSON_CAMERA
 } CameraId;
 
 // A array of the cameras.
diff --git a/src/entities/mussolini.h b/src/entities/mussolini.h
index 625df3c..33968da 100644
--- a/src/entities/mussolini.h
+++ b/src/entities/mussolini.h
@@ -6,7 +6,7 @@
 #define MUSSOLINI_H
 
 #define MUSSOLINI_TURN_SPEED 1.0
-#define MUSSOLINI_MISSILE_DOWN_COOL 100.0
+#define MUSSOLINI_MISSILE_DOWN_COOL 0.5
 
 typedef struct Mussolini {
     double timeSinceLastMissile;
diff --git a/src/gameScreen.c b/src/gameScreen.c
index 9b14c00..35e495d 100644
--- a/src/gameScreen.c
+++ b/src/gameScreen.c
@@ -58,7 +58,8 @@ void drawGameScreenGui(Game * game) {
 	char buf[bufSize];
 
 	// Draw cross hair.
-	drawCrossHair(10.0, 2.0, BLUE);
+	if (gameScreen->mainCamera == FIRST_PERSON_CAMERA)
+		drawCrossHair(10.0, 2.0, BLUE);
 
 	Vector3 position = player->position;
 	Vector3 velocity = player->velocity.velocity;
@@ -88,9 +89,24 @@ void drawGameScreenGui(Game * game) {
 	drawRadar(game, &gameScreen->radar);
 }
 
+void handleGameScreenInput(Game * game, GameScreen * gameScreen) {
+	switch(GetKeyPressed()) {
+		case KEY_ONE:
+			gameScreen->mainCamera = FIRST_PERSON_CAMERA;
+			break;
+		case KEY_TWO:
+			gameScreen->mainCamera = THIRD_PERSON_CAMERA;
+			break;
+		default:
+			break;
+	}
+}
+
 void updateGameScreen(Game * game) {
 	GameScreen * gameScreen = &game->gameScreen;
 
+	handleGameScreenInput(game, gameScreen);
+
 	ClearBackground(BLACK);
 
 	drawGameScreenGui(game);