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Fix fling rotation reverses direction (#501), fix #500

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Gustl22 2018-02-09 17:33:11 +01:00 committed by Emux
parent 71a82d087b
commit bd9e7d7456
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GPG Key ID: 89C6921D7AF2BDD0
4 changed files with 23 additions and 6 deletions
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6
vtm/src/org/oscim/layers/MapEventLayer.java
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@ -32,6 +32,7 @@ import org.oscim.map.Animator2;
import org.oscim.map.Map;
import org.oscim.map.Map.InputListener;
import org.oscim.map.ViewController;
import org.oscim.utils.FastMath;
import org.oscim.utils.Parameters;
import static org.oscim.backend.CanvasAdapter.dpi;
@ -366,10 +367,11 @@ public class MapEventLayer extends AbstractMapEventLayer implements InputListene
deltaPinch = 0;
if (Parameters.ANIMATOR2) {
double clampedRotation = FastMath.clampRadian(rotateBy);
if (mRotateTracker.mNumSamples < 0)
mRotateTracker.start(mRotateTracker.mLastX + (float) da, 0, e.getTime());
mRotateTracker.start(mRotateTracker.mLastX + (float) clampedRotation, 0, e.getTime());
else
mRotateTracker.update(mRotateTracker.mLastX + (float) da, 0, e.getTime());
mRotateTracker.update(mRotateTracker.mLastX + (float) clampedRotation, 0, e.getTime());
}
}
} else {

6
vtm/src/org/oscim/layers/MapEventLayer2.java
View File

@ -31,6 +31,7 @@ import org.oscim.map.Animator2;
import org.oscim.map.Map;
import org.oscim.map.Map.InputListener;
import org.oscim.map.ViewController;
import org.oscim.utils.FastMath;
import org.oscim.utils.Parameters;
import org.oscim.utils.async.Task;
@ -457,10 +458,11 @@ public class MapEventLayer2 extends AbstractMapEventLayer implements InputListen
deltaPinch = 0;
if (Parameters.ANIMATOR2) {
double clampedRotation = FastMath.clampRadian(rotateBy);
if (mRotateTracker.mNumSamples < 0)
mRotateTracker.start(mRotateTracker.mLastX + (float) da, 0, e.getTime());
mRotateTracker.start(mRotateTracker.mLastX + (float) clampedRotation, 0, e.getTime());
else
mRotateTracker.update(mRotateTracker.mLastX + (float) da, 0, e.getTime());
mRotateTracker.update(mRotateTracker.mLastX + (float) clampedRotation, 0, e.getTime());
}
}
} else {

6
vtm/src/org/oscim/map/Animator2.java
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@ -41,8 +41,8 @@ public class Animator2 extends Animator {
/**
* The minimum changes that are pleasant for users.
*/
private static final float DEFAULT_MIN_VISIBLE_CHANGE_DEGREE = 0.001f;
private static final float DEFAULT_MIN_VISIBLE_CHANGE_PIXELS = 0.5f;
private static final float DEFAULT_MIN_VISIBLE_CHANGE_RADIAN = 0.001f;
private static final float DEFAULT_MIN_VISIBLE_CHANGE_SCALE = 1f;
private static final float FLING_FRICTION_MOVE = 0.9f;
@ -65,6 +65,8 @@ public class Animator2 extends Animator {
/**
* Animates a physical fling for rotations.
*
* @param angularVelocity angular velocity in radians
*/
public void animateFlingRotate(float angularVelocity, float pivotX, float pivotY) {
ThreadUtils.assertMainThread();
@ -77,7 +79,7 @@ public class Animator2 extends Animator {
float flingFactor = -0.4f; // Can be changed but should be standardized for all callers
angularVelocity *= flingFactor;
mFlingRotateForce.setValueThreshold(DEFAULT_MIN_VISIBLE_CHANGE_DEGREE);
mFlingRotateForce.setValueThreshold(DEFAULT_MIN_VISIBLE_CHANGE_RADIAN);
mFlingRotateForce.setFrictionScalar(FLING_FRICTION_ROTATE);
mFlingRotateForce.setValueAndVelocity(0f, angularVelocity);

11
vtm/src/org/oscim/utils/FastMath.java
View File

@ -74,6 +74,17 @@ public class FastMath {
return (value < 0f ? 0f : (value > 1f ? 1f : value));
}
/**
* Returns normalized radian in range of -PI to +PI
*/
public static double clampRadian(double radian) {
while (radian > Math.PI)
radian -= 2 * Math.PI;
while (radian < -Math.PI)
radian += 2 * Math.PI;
return radian;
}
public static byte clampToByte(int value) {
return (byte) (value < 0 ? 0 : (value > 255 ? 255 : value));
}