private boolean detectHit(float[] mc) {
if ((mc[0] < 0 && coords[0] < 0)
|| (mc[0] > 0 && coords[0] > 0) && (mc[1] < 0 && coords[1] < 0)
|| (mc[1] > 0 && coords[1] > 0) && (mc[2] < 0 && coords[2] < 0)
|| (mc[2] > 0 && coords[2] > 0)) {
double dx = Math.pow((mc[0] + 100) - (coords[0] + 100), 2);
double dy = Math.pow((mc[1] + 100) - (coords[1] + 100), 2);
double dz = Math.pow((mc[2] + 100) - (coords[2] + 100), 2);
double vLength = Math.sqrt(dx + dy + dz);
if ((vLength) < (size + 0.05)) {
return true;
}
}
return false;
}
/*
* Bezier : Computes Bernstain
*
* @param {Integer} i - the i-th index
*
* @param {Integer} n - the total number of points
*
* @param {Number} t - the value of parameter t , between 0 and 1
*/
private float B(int i, int n, float t) {
return (float) (fact(n) / (fact(i) * fact(n - i)) * Math.pow(t, i) * Math.pow(1 - t, n - i));
}
public void resize(float[] mc) {
double dx = Math.pow((mc[0] + 100) - (coords[0] + 100), 2);
double dy = Math.pow((mc[1] + 100) - (coords[1] + 100), 2);
double dz = Math.pow((mc[2] + 100) - (coords[2] + 100), 2);
size = Math.sqrt(dx + dy + dz);
}