Vec vec_by_mouse(int x, int y) {
Vec ans = new Vec();
ans.x = (x - dim.width / 2.) / size;
ans.y = -(y - dim.height / 2.) / size;
return ans;
}
public void nextStep() {
synchronized (this) {
if (needRecalc) {
recalcImpact();
needRecalc = false;
}
for (iter.x = 0; iter.x < mSize; ++iter.x) {
for (iter.y = 0; iter.y < nSize; ++iter.y) {
final double imp = impMat[iter.x][iter.y];
if (rules.dieCond(imp)) {
fldNew[iter.x][iter.y] = DEAD;
} else if (rules.birthCond(imp)) {
fldNew[iter.x][iter.y] = ALIVE;
}
}
}
swap();
needRecalc = true;
recalcImpact();
}
setChanged();
notifyObservers(new FieldUpdate(this));
}
Vec wall_power(Ball p) {
Vec ans = new Vec();
is_colide = false;
ans.x = wall_power2(p.pos.x);
ans.y = wall_power2(p.pos.y);
if (is_colide) ans.sub_to(p.speed.mult(10));
return ans;
}
private void recalcImpact() {
for (iter.x = 0; iter.x < mSize; ++iter.x) {
for (iter.y = 0; iter.y < nSize; ++iter.y) {
double imp = 0;
for (int i = 0; i < rules.neighborsRel.length; ++i) {
Vec neighRel = rules.neighborsRel[i];
reliter.set(neighRel);
reliter.addPlace(iter);
if (Math.abs(neighRel.y) % 2 == 1) {
if (iter.y % 2 == 0 && neighRel.x > 0) --reliter.x;
else if (iter.y % 2 == 1 && neighRel.x < 0) ++reliter.x;
}
if (vecAvail(reliter) && isAlive(reliter)) imp += rules.distImpacts[rules.dists[i]];
}
impMat[iter.x][iter.y] = imp;
}
}
}
Vec mult(double scalar) {
Vec ans = new Vec();
ans.x = x * scalar;
ans.y = y * scalar;
return ans;
}
Vec sub(Vec right) {
Vec ans = new Vec();
ans.x = x - right.x;
ans.y = y - right.y;
return ans;
}
Vec add(Vec right) {
Vec ans = new Vec();
ans.x = x + right.x;
ans.y = y + right.y;
return ans;
}
Vec div(double a) {
Vec ans = new Vec();
ans.x = x / a;
ans.y = y / a;
return ans;
}