diff --git a/swing/src/net/sf/openrocket/gui/figure3d/geometry/FinRenderer.java b/swing/src/net/sf/openrocket/gui/figure3d/geometry/FinRenderer.java index a97ea476f..92cdb5b6c 100644 --- a/swing/src/net/sf/openrocket/gui/figure3d/geometry/FinRenderer.java +++ b/swing/src/net/sf/openrocket/gui/figure3d/geometry/FinRenderer.java @@ -16,6 +16,8 @@ import net.sf.openrocket.util.BoundingBox; import net.sf.openrocket.util.Coordinate; import net.sf.openrocket.gui.figure3d.geometry.Geometry.Surface; +import java.util.Collections; + public class FinRenderer { private GLUtessellator tess = GLU.gluNewTess(); @@ -96,12 +98,11 @@ public class FinRenderer { GLU.gluTessBeginPolygon(tess, null); GLU.gluTessBeginContour(tess); gl.glNormal3f(0, 0, 1); - for (int i = tabPoints.length - 1; i >= 0; i--) { - Coordinate c = tabPoints[i]; - double[] p = new double[]{c.x, c.y + finSet.getBodyRadius(), - c.z + finSet.getThickness() / 2.0}; - GLU.gluTessVertex(tess, p, 0, p); - } + for (Coordinate c : tabPoints) { + double[] p = new double[]{c.x, c.y + finSet.getBodyRadius(), + c.z + finSet.getThickness() / 2.0}; + GLU.gluTessVertex(tess, p, 0, p); + } GLU.gluTessEndContour(tess); GLU.gluTessEndPolygon(tess); } @@ -125,7 +126,8 @@ public class FinRenderer { GLU.gluTessBeginPolygon(tess, null); GLU.gluTessBeginContour(tess); gl.glNormal3f(0, 0, -1); - for (Coordinate c : tabPoints) { + for (int i = tabPoints.length - 1; i >= 0; i--) { + Coordinate c = tabPoints[i]; double[] p = new double[]{c.x, c.y + finSet.getBodyRadius(), c.z - finSet.getThickness() / 2.0}; GLU.gluTessVertex(tess, p, 0, p); @@ -163,7 +165,7 @@ public class FinRenderer { if (!(finSet instanceof EllipticalFinSet)) gl.glShadeModel(GLLightingFunc.GL_FLAT); gl.glBegin(GL.GL_TRIANGLE_STRIP); - for (int i = 0; i <= tabPoints.length; i++) { + for (int i = tabPoints.length; i >= 0; i--) { Coordinate c = tabPoints[i % tabPoints.length]; // if ( i > 1 ){ Coordinate c2 = tabPoints[(i - 1 + tabPoints.length)