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Slightly better angle calculation

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This commit is contained in:
Hazel Trinity 2020-08-16 02:15:05 -07:00
parent 5c32cc17a2
commit 054e60729b
1 changed files with 8 additions and 6 deletions
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14
worldedit-core/src/main/java/com/boydti/fawe/object/brush/sweep/Spline.java
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@ -21,7 +21,7 @@ import java.util.List;
*/ */
public abstract class Spline { public abstract class Spline {
private BlockVector2 direction = BlockVector2.at(1, 0); private Vector2 direction = Vector2.at(1, 0);
private final int nodeCount; private final int nodeCount;
protected EditSession editSession; protected EditSession editSession;
@ -77,10 +77,10 @@ public abstract class Spline {
* is rotated by that angle to follow the curve slope. * is rotated by that angle to follow the curve slope.
* <p> * <p>
* The default direction is a (1;0) vector (pointing in the positive x-direction). * The default direction is a (1;0) vector (pointing in the positive x-direction).
* @param direction A normalized vector representing the horizontal forward direction of the clipboard content * @param direction A vector representing the horizontal forward direction of the clipboard content
*/ */
public void setDirection(BlockVector2 direction) { public void setDirection(Vector2 direction) {
this.direction = direction; this.direction = direction.normalize();
} }
/** /**
@ -93,7 +93,7 @@ public abstract class Spline {
* The default direction is a (1;0) vector (pointing in the positive x-direction). * The default direction is a (1;0) vector (pointing in the positive x-direction).
* @return A vector representing the horizontal forward direction of the clipboard content * @return A vector representing the horizontal forward direction of the clipboard content
*/ */
public BlockVector2 getDirection() { public Vector2 getDirection() {
return direction; return direction;
} }
@ -136,9 +136,11 @@ public abstract class Spline {
Vector3 deriv = interpolation.get1stDerivative(position); Vector3 deriv = interpolation.get1stDerivative(position);
Vector2 deriv2D = Vector2.at(deriv.getX(), deriv.getZ()).normalize(); Vector2 deriv2D = Vector2.at(deriv.getX(), deriv.getZ()).normalize();
double angle = Math.toDegrees( double angle = Math.toDegrees(
Math.atan2(direction.getZ(), direction.getX()) - Math.atan2(deriv2D.getZ(), deriv2D.getX()) -Math.acos(direction.dot(deriv2D))
); );
angle = ((angle % 360) + 360) % 360; // Wrap to 360 degrees
return pasteBlocks(blockTarget, offset, angle); return pasteBlocks(blockTarget, offset, angle);
} }