Castopod/AntennaPod
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Linear range for speed indicator

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This commit is contained in:
ByteHamster 2020-02-21 19:29:11 +01:00
parent 9d31cdc32f
commit 76864ee4ff
1 changed files with 7 additions and 6 deletions
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13
app/src/main/java/de/danoeh/antennapod/view/PlaybackSpeedIndicatorView.java
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@ -14,11 +14,12 @@ import de.danoeh.antennapod.R;
public class PlaybackSpeedIndicatorView extends View {
private static final float DEG_2_RAD = (float) (Math.PI / 180);
private static final float PADDING_ANGLE = 30;
private static final float VALUE_UNSET = -4242;
private final Paint arcPaint = new Paint();
private final Paint indicatorPaint = new Paint();
private final Path trianglePath = new Path();
private float angle = 0;
private float angle = VALUE_UNSET;
private float targetAngle = 0.5f;
private float degreePerFrame = 2;
private float paddingArc = 20;
@ -58,11 +59,11 @@ public class PlaybackSpeedIndicatorView extends View {
public void setSpeed(float value) {
float maxAnglePerDirection = 90 + 45 - 2 * paddingArc;
if (value >= 1) {
// Speed values above 3 are probably not too common. Cap at 3 for better differentiation
targetAngle = maxAnglePerDirection * ((Math.min(3, value) - 1) / 2);
} else {
targetAngle = -maxAnglePerDirection * (1 - ((value - 0.5f) * 2));
// Speed values above 3 are probably not too common. Cap at 3 for better differentiation
float normalizedValue = Math.min(2.5f, value - 0.5f) / 2.5f; // Linear between 0 and 1
targetAngle = -maxAnglePerDirection + 2 * maxAnglePerDirection * normalizedValue;
if (angle == VALUE_UNSET) {
angle = targetAngle;
}
degreePerFrame = Math.abs(targetAngle - angle) / 20;
invalidate();