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Fix FollowingCameraController behvaiour when map is smaller than screen

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Bartłomiej Przemysław Pluta
2022-08-30 13:56:39 +02:00
parent 3d167ce183
commit 0ec1cb4659
1 changed files with 19 additions and 8 deletions
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27
api/src/main/java/com/bartlomiejpluta/base/lib/camera/FollowingCameraController.java
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@@ -32,15 +32,26 @@ public class FollowingCameraController implements CameraController {
@Override
public void update() {
if (target != null) {
final var bottomRightConstraintX = mapSize.x() - screenSize.x() / camera.getScaleX();
final var bottomRightConstraintY = mapSize.y() - screenSize.y() / camera.getScaleY();
final var newCameraPosX = target.x() - screenSize.x() / (2f * camera.getScaleX());
final var newCameraPosY = target.y() - screenSize.y() / (2f * camera.getScaleY());
var newCameraPosX = 0.0f;
var newCameraPosY = 0.0f;
camera.setPosition(
(newCameraPosX < bottomRightConstraintX) ? (newCameraPosX > 0 ? newCameraPosX : 0) : bottomRightConstraintX,
(newCameraPosY < bottomRightConstraintY) ? (newCameraPosY > 0 ? newCameraPosY : 0) : bottomRightConstraintY
);
if (mapSize.x() < screenSize.x() / camera.getScaleX()) {
newCameraPosX = (mapSize.x() - screenSize.x() / camera.getScaleX())/2;
} else {
final var bottomRightConstraintX = mapSize.x() - screenSize.x() / camera.getScaleX();
newCameraPosX = target.x() - screenSize.x() / (2f * camera.getScaleX());
newCameraPosX = (newCameraPosX < bottomRightConstraintX) ? (newCameraPosX > 0 ? newCameraPosX : 0) : bottomRightConstraintX;
}
if (mapSize.y() < screenSize.y() / camera.getScaleY()) {
newCameraPosY = (mapSize.y() - screenSize.y() / camera.getScaleY())/2;
} else {
final var bottomRightConstraintY = mapSize.y() - screenSize.y() / camera.getScaleY();
newCameraPosY = target.y() - screenSize.y() / (2f * camera.getScaleY());
newCameraPosY = (newCameraPosY < bottomRightConstraintY) ? (newCameraPosY > 0 ? newCameraPosY : 0) : bottomRightConstraintY;
}
camera.setPosition(newCameraPosX, newCameraPosY);
}
}