80 lines
1.4 KiB
Java
80 lines
1.4 KiB
Java
package shootergame.util.math.vec;
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import shootergame.util.math.MathHelpers;
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import shootergame.util.math.range.Range2i;
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public class Vec2i
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{
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public int x;
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public int y;
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public Vec2i(int x, int y)
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{
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this.x = x;
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this.y = y;
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}
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public double distance(Vec2i other) {
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return MathHelpers.distance2d(x, y, other.x, other.y);
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}
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public static double distance(Vec2i v1, Vec2i v2) {
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return v1.distance(v2);
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}
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public int getId(Range2i range)
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{
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int id = 0;
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int m = 1;
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id += x;
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m = range.mx;
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id += y*m;
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return id;
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}
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public static Vec2i fromId(Range2i range, int id)
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{
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int x = MathHelpers.mod(id, range.mx);
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id -= x;
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id /= range.mx;
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int y = MathHelpers.mod(id, range.my);
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return new Vec2i(x, y);
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}
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public boolean equal(Vec2i other) {
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return x == other.x && y == other.y;
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}
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public Vec2i add(Vec2i other) {
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return new Vec2i(this.x + other.x, this.y + other.y);
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}
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public Vec2i subtract(Vec2i other) {
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return new Vec2i(this.x - other.x, this.y - other.y);
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}
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public Vec2i multiply(Vec2i other) {
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return new Vec2i(this.x * other.x, this.y * other.y);
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}
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public Vec2i divide(Vec2i other) {
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return new Vec2i(this.x / other.x, this.y / other.y);
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}
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public Vec2i copy() {
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return new Vec2i(x, y);
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}
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public int squareDistance(Vec2i other)
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{
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int dx = MathHelpers.positive(other.x - x);
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int dy = MathHelpers.positive(other.y - y);
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if(dx > dy) return dx;
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else return dy;
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}
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}
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