add sources

Author: OetkenPurveyorOfCode

src/camera.h

@@ -0,0 +1,72 @@
+
+void Update_Camera(Camera *camera, int mode)
+{
+    Vector2 mousePositionDelta = GetMouseDelta();
+
+    bool moveInWorldPlane = ((mode == CAMERA_FIRST_PERSON) || (mode == CAMERA_THIRD_PERSON));
+    bool rotateAroundTarget = ((mode == CAMERA_THIRD_PERSON) || (mode == CAMERA_ORBITAL));
+    bool lockView = ((mode == CAMERA_FREE) || (mode == CAMERA_FIRST_PERSON) || (mode == CAMERA_THIRD_PERSON) || (mode == CAMERA_ORBITAL));
+    bool rotateUp = false;
+    // Camera rotation
+    #define CAMERA_ROTATION_SPEED 0.03f
+    if (IsKeyDown(KEY_DOWN)) CameraPitch(camera, -CAMERA_ROTATION_SPEED, lockView, rotateAroundTarget, rotateUp);
+    if (IsKeyDown(KEY_UP)) CameraPitch(camera, CAMERA_ROTATION_SPEED, lockView, rotateAroundTarget, rotateUp);
+    if (IsKeyDown(KEY_RIGHT)) CameraYaw(camera, -CAMERA_ROTATION_SPEED, rotateAroundTarget);
+    if (IsKeyDown(KEY_LEFT)) CameraYaw(camera, CAMERA_ROTATION_SPEED, rotateAroundTarget);
+    if (IsKeyDown(KEY_Q)) CameraRoll(camera, -CAMERA_ROTATION_SPEED);
+    if (IsKeyDown(KEY_E)) CameraRoll(camera, CAMERA_ROTATION_SPEED);
+
+
+    // Camera movement
+    // Camera pan (for CAMERA_FREE)
+    #define CAMERA_PAN_SPEED 0.2f
+    #define CAMERA_MOUSE_MOVE_SENSITIVITY 0.06f
+    #define CAMERA_MOVE_SPEED 0.30f
+    if ((mode == CAMERA_FREE) && (IsMouseButtonDown(MOUSE_BUTTON_RIGHT)))
+    {
+        const Vector2 mouseDelta = GetMouseDelta();
+        if (mouseDelta.x > 0.0f) CameraMoveRight(camera, CAMERA_PAN_SPEED, moveInWorldPlane);
+        if (mouseDelta.x < 0.0f) CameraMoveRight(camera, -CAMERA_PAN_SPEED, moveInWorldPlane);
+        if (mouseDelta.y > 0.0f) CameraMoveUp(camera, -CAMERA_PAN_SPEED);
+        if (mouseDelta.y < 0.0f) CameraMoveUp(camera, CAMERA_PAN_SPEED);
+    }
+    else
+    {
+        // Mouse support
+        CameraYaw(camera, -mousePositionDelta.x*CAMERA_MOUSE_MOVE_SENSITIVITY, rotateAroundTarget);
+        CameraPitch(camera, -mousePositionDelta.y*CAMERA_MOUSE_MOVE_SENSITIVITY, lockView, rotateAroundTarget, rotateUp);
+    }
+
+    // Keyboard support
+    if (IsKeyDown(KEY_W)) CameraMoveForward(camera, CAMERA_MOVE_SPEED, moveInWorldPlane);
+    if (IsKeyDown(KEY_A)) CameraMoveRight(camera, -CAMERA_MOVE_SPEED, moveInWorldPlane);
+    if (IsKeyDown(KEY_S)) CameraMoveForward(camera, -CAMERA_MOVE_SPEED, moveInWorldPlane);
+    if (IsKeyDown(KEY_D)) CameraMoveRight(camera, CAMERA_MOVE_SPEED, moveInWorldPlane);
+
+    // Gamepad movement
+    if (IsGamepadAvailable(0))
+    {
+        // Gamepad controller support
+        CameraYaw(camera, -(GetGamepadAxisMovement(0, GAMEPAD_AXIS_RIGHT_X) * 2)*CAMERA_MOUSE_MOVE_SENSITIVITY, rotateAroundTarget);
+        CameraPitch(camera, -(GetGamepadAxisMovement(0, GAMEPAD_AXIS_RIGHT_Y) * 2)*CAMERA_MOUSE_MOVE_SENSITIVITY, lockView, rotateAroundTarget, rotateUp);
+
+        if (GetGamepadAxisMovement(0, GAMEPAD_AXIS_LEFT_Y) <= -0.25f) CameraMoveForward(camera, CAMERA_MOVE_SPEED, moveInWorldPlane);
+        if (GetGamepadAxisMovement(0, GAMEPAD_AXIS_LEFT_X) <= -0.25f) CameraMoveRight(camera, -CAMERA_MOVE_SPEED, moveInWorldPlane);
+        if (GetGamepadAxisMovement(0, GAMEPAD_AXIS_LEFT_Y) >= 0.25f) CameraMoveForward(camera, -CAMERA_MOVE_SPEED, moveInWorldPlane);
+        if (GetGamepadAxisMovement(0, GAMEPAD_AXIS_LEFT_X) >= 0.25f) CameraMoveRight(camera, CAMERA_MOVE_SPEED, moveInWorldPlane);
+    }
+
+    if (mode == CAMERA_FREE)
+    {
+        if (IsKeyDown(KEY_SPACE)) CameraMoveUp(camera, CAMERA_MOVE_SPEED);
+        if (IsKeyDown(KEY_LEFT_CONTROL)) CameraMoveUp(camera, -CAMERA_MOVE_SPEED);
+    }
+
+    if ((mode == CAMERA_THIRD_PERSON) || (mode == CAMERA_ORBITAL) || (mode == CAMERA_FREE))
+    {
+        // Zoom target distance
+        CameraMoveToTarget(camera, -GetMouseWheelMove());
+        if (IsKeyPressed(KEY_KP_SUBTRACT)) CameraMoveToTarget(camera, 2.0f);
+        if (IsKeyPressed(KEY_KP_ADD)) CameraMoveToTarget(camera, -2.0f);
+    }
+}