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Wind speed changes depending on where the wind direction is. #story[1187]

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This commit is contained in:
Joseph Gardner
2017-08-29 15:53:41 +12:00
parent d0ba7b93e0
commit b0f7c5e734
1 changed files with 11 additions and 8 deletions
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racevisionGame/src/main/java/mock/model/wind/ShiftingWindGenerator.java
+11 -8
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@@ -11,7 +11,7 @@ import java.util.Random;
public class ShiftingWindGenerator implements WindGenerator {
Bearing baselineBearing;
double baseLineSpeed;
double speedVariance = 4;
double speedVariance = 2;
double bearingVariance = 5; // In degrees
double oscillationVariance = 0.25;
double oscillationPeriod = 1e3 * 60 * 1; // In milliseconds
@@ -20,7 +20,7 @@ public class ShiftingWindGenerator implements WindGenerator {
double timeOfLastChange = 0;
double timeSinceLastShift = 0; // Back / veer
boolean oscillationLeft = false;
boolean anticlockwise = false;
public ShiftingWindGenerator(Bearing baselineBearing, double baseLineSpeed) {
this.baselineBearing = baselineBearing;
@@ -56,13 +56,13 @@ public class ShiftingWindGenerator implements WindGenerator {
if (timeSinceLastOscillationReset >= oscillationPeriod) {
timeOfLastOscillationReset = System.currentTimeMillis();
oscillationLeft = !oscillationLeft;
anticlockwise = !anticlockwise;
}
if (oscillationLeft) {
if (anticlockwise) {
newBearing -= degreeChange;
if (newBearing < baselineBearing.degrees() - bearingVariance) {
System.out.println(timeSinceLastOscillationReset);
oscillationLeft = !oscillationLeft;
anticlockwise = !anticlockwise;
timeOfLastOscillationReset = System.currentTimeMillis();
} else {
wind.setWindDirection(Bearing.fromDegrees(newBearing % 360));
@@ -71,7 +71,7 @@ public class ShiftingWindGenerator implements WindGenerator {
newBearing += degreeChange;
if (newBearing > baselineBearing.degrees() + bearingVariance) {
System.out.println(timeSinceLastOscillationReset);
oscillationLeft = !oscillationLeft;
anticlockwise = !anticlockwise;
timeOfLastOscillationReset = System.currentTimeMillis();
} else {
wind.setWindDirection(Bearing.fromDegrees(newBearing % 360));
@@ -83,11 +83,14 @@ public class ShiftingWindGenerator implements WindGenerator {
}
private void changeWindSpeed(Wind wind) {
double deg = wind.getWindDirection().degrees();
double offset = deg - baselineBearing.degrees();
double newSpeed = offset / bearingVariance * speedVariance + baseLineSpeed;
wind.setWindSpeed(newSpeed);
}
private void initialiseOscillationDirection() {
oscillationLeft = new Random().nextBoolean();
anticlockwise = new Random().nextBoolean();
timeOfLastOscillationReset = System.currentTimeMillis();
}