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MapViewPosition: add method to animate zoom with pivot point

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- improve animation code
- make scroll-wheel zoom use pointer position as pivot point
This commit is contained in:
Hannes Janetzek
2013-08-10 11:04:28 +02:00
parent 31e2f57b13
commit a86abf2921
2 changed files with 135 additions and 113 deletions
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17
vtm-gdx/src/org/oscim/gdx/GdxMap.java
View File

@@ -138,7 +138,6 @@ public class GdxMap implements ApplicationListener {
p.setPosition(53.08, 8.83);
//p.setPosition(0.0, 0.0);
mMapView.setMapPosition(p);
mMapRenderer.onSurfaceCreated();
mMapRenderer.onSurfaceChanged(w, h);
@@ -181,7 +180,6 @@ public class GdxMap implements ApplicationListener {
@Override
public void resize(int w, int h) {
Log.d("", "resize " + w + "x" + h);
mWidth = w;
mHeight = h;
@@ -293,7 +291,7 @@ public class GdxMap implements ApplicationListener {
mMapView.render();
break;
}
return true;
return false;
}
@Override
@@ -376,21 +374,20 @@ public class GdxMap implements ApplicationListener {
@Override
public boolean scrolled(int amount) {
//float fx = mPosX - mMapView.getWidth() / 2;
//float fy = mPosY - mMapView.getHeight() / 2;
if (amount > 0) {
mMapPosition.animateZoom(0.9f, 150);
//mMapPosition.scaleMap(0.9f, fx, fy);
mMapPosition.animateZoom(150, 0.8f, 0, 0);
} else {
mMapPosition.animateZoom(1.1f, 150);
//mMapPosition.scaleMap(1.1f, fx, fy);
float fx = mPosX - mMapView.getWidth() / 2;
float fy = mPosY - mMapView.getHeight() / 2;
mMapPosition.animateZoom(150, 1.25f, fx, fy);
}
mMapView.updateMap(false);
return true;
}
}
class ViewController implements GestureListener {