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Bugfix: making sure that the first and last bevel line is parallel to its neighbour in curves that have bevel applied (that is how blender works)

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git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9912 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
This commit is contained in:
Kae..pl 2012-10-29 14:22:29 +00:00
parent ff155b4d78
commit 1b04d13f3e
1 changed files with 20 additions and 0 deletions
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20
engine/src/blender/com/jme3/scene/plugins/blender/curves/CurvesHelper.java
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@ -482,6 +482,26 @@ public class CurvesHelper extends AbstractBlenderHelper {
bevelPoints = this.transformBevel(bevelPoints, curvePoints[curvePoints.length - 2], curvePoints[curvePoints.length - 1], null);
bevels.add(bevelPoints);
if(bevels.size() > 2) {
//changing the first and last bevel so that they are parallel to their neighbours (blender works this way)
//notice this implicates that the distances of every corresponding point in th two bevels must be identical and
//equal to the distance between the points on curve that define the bevel position
//so instead doing complicated rotations on each point we will simply properly translate each of them
Vector3f subtractResult = new Vector3f();
int[][] pointIndexes = new int[][] { { 0, 1 }, { curvePoints.length - 1, curvePoints.length - 2 } };
for(int[] indexes : pointIndexes) {
float distance = curvePoints[indexes[1]].subtract(curvePoints[indexes[0]], subtractResult).length();
Vector3f[] bevel = bevels.get(indexes[0]);
Vector3f[] nextBevel = bevels.get(indexes[1]);
for (int i = 0; i < bevel.length; ++i) {
float d = bevel[i].subtract(nextBevel[i], subtractResult).length();
subtractResult.normalizeLocal().multLocal(distance - d);
bevel[i].addLocal(subtractResult);
}
}
}
//apply scales to the bevels
float lengthAlongCurve = 0;
for(int i=0;i<curvePoints.length; ++i) {