diff options
Diffstat (limited to 'src/jogl/classes/com/jogamp/opengl/math/VectorUtil.java')
| -rw-r--r-- | src/jogl/classes/com/jogamp/opengl/math/VectorUtil.java | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/math/VectorUtil.java b/src/jogl/classes/com/jogamp/opengl/math/VectorUtil.java index 5a75d016a..0033afeaa 100644 --- a/src/jogl/classes/com/jogamp/opengl/math/VectorUtil.java +++ b/src/jogl/classes/com/jogamp/opengl/math/VectorUtil.java @@ -292,21 +292,21 @@ public class VectorUtil { */ public static boolean vertexInTriangle(float[] a, float[] b, float[] c, float[] p){ // Compute vectors - float[] ac = computeVector(a, c); //v0 - float[] ab = computeVector(a, b); //v1 - float[] ap = computeVector(a, p); //v2 + final float[] ac = computeVector(a, c); //v0 + final float[] ab = computeVector(a, b); //v1 + final float[] ap = computeVector(a, p); //v2 // Compute dot products - float dot00 = dot(ac, ac); - float dot01 = dot(ac, ab); - float dot02 = dot(ac, ap); - float dot11 = dot(ab, ab); - float dot12 = dot(ab, ap); + final float dot00 = dot(ac, ac); + final float dot01 = dot(ac, ab); + final float dot02 = dot(ac, ap); + final float dot11 = dot(ab, ab); + final float dot12 = dot(ab, ap); // Compute barycentric coordinates - float invDenom = 1 / (dot00 * dot11 - dot01 * dot01); - float u = (dot11 * dot02 - dot01 * dot12) * invDenom; - float v = (dot00 * dot12 - dot01 * dot02) * invDenom; + final float invDenom = 1 / (dot00 * dot11 - dot01 * dot01); + final float u = (dot11 * dot02 - dot01 * dot12) * invDenom; + final float v = (dot00 * dot12 - dot01 * dot02) * invDenom; // Check if point is in triangle return (u >= 0) && (v >= 0) && (u + v < 1); @@ -337,12 +337,12 @@ public class VectorUtil { * @return positive area if ccw else negative area value */ public static float area(ArrayList<? extends Vert2fImmutable> vertices) { - int n = vertices.size(); + final int n = vertices.size(); float area = 0.0f; for (int p = n - 1, q = 0; q < n; p = q++) { - float[] pCoord = vertices.get(p).getCoord(); - float[] qCoord = vertices.get(q).getCoord(); + final float[] pCoord = vertices.get(p).getCoord(); + final float[] qCoord = vertices.get(q).getCoord(); area += pCoord[0] * qCoord[1] - qCoord[0] * pCoord[1]; } return area; @@ -366,18 +366,18 @@ public class VectorUtil { * returns null */ public static float[] seg2SegIntersection(Vert2fImmutable a, Vert2fImmutable b, Vert2fImmutable c, Vert2fImmutable d) { - float determinant = (a.getX()-b.getX())*(c.getY()-d.getY()) - (a.getY()-b.getY())*(c.getX()-d.getX()); + final float determinant = (a.getX()-b.getX())*(c.getY()-d.getY()) - (a.getY()-b.getY())*(c.getX()-d.getX()); if (determinant == 0) return null; - float alpha = (a.getX()*b.getY()-a.getY()*b.getX()); - float beta = (c.getX()*d.getY()-c.getY()*d.getY()); - float xi = ((c.getX()-d.getX())*alpha-(a.getX()-b.getX())*beta)/determinant; - float yi = ((c.getY()-d.getY())*alpha-(a.getY()-b.getY())*beta)/determinant; + final float alpha = (a.getX()*b.getY()-a.getY()*b.getX()); + final float beta = (c.getX()*d.getY()-c.getY()*d.getY()); + final float xi = ((c.getX()-d.getX())*alpha-(a.getX()-b.getX())*beta)/determinant; + final float yi = ((c.getY()-d.getY())*alpha-(a.getY()-b.getY())*beta)/determinant; - float gamma = (xi - a.getX())/(b.getX() - a.getX()); - float gamma1 = (xi - c.getX())/(d.getX() - c.getX()); + final float gamma = (xi - a.getX())/(b.getX() - a.getX()); + final float gamma1 = (xi - c.getX())/(d.getX() - c.getX()); if(gamma <= 0 || gamma >= 1) return null; if(gamma1 <= 0 || gamma1 >= 1) return null; @@ -393,15 +393,15 @@ public class VectorUtil { * returns null */ public static float[] line2lineIntersection(Vert2fImmutable a, Vert2fImmutable b, Vert2fImmutable c, Vert2fImmutable d) { - float determinant = (a.getX()-b.getX())*(c.getY()-d.getY()) - (a.getY()-b.getY())*(c.getX()-d.getX()); + final float determinant = (a.getX()-b.getX())*(c.getY()-d.getY()) - (a.getY()-b.getY())*(c.getX()-d.getX()); if (determinant == 0) return null; - float alpha = (a.getX()*b.getY()-a.getY()*b.getX()); - float beta = (c.getX()*d.getY()-c.getY()*d.getY()); - float xi = ((c.getX()-d.getX())*alpha-(a.getX()-b.getX())*beta)/determinant; - float yi = ((c.getY()-d.getY())*alpha-(a.getY()-b.getY())*beta)/determinant; + final float alpha = (a.getX()*b.getY()-a.getY()*b.getX()); + final float beta = (c.getX()*d.getY()-c.getY()*d.getY()); + final float xi = ((c.getX()-d.getX())*alpha-(a.getX()-b.getX())*beta)/determinant; + final float yi = ((c.getY()-d.getY())*alpha-(a.getY()-b.getY())*beta)/determinant; return new float[]{xi,yi,0}; } |