@Override
	public boolean equals(Object obj) {
		if (this == obj) {
			return true;
		}

		if (obj == null) {
			return false;
		}

		if (getClass() != obj.getClass()) {
			return false;
		}

		FlowArrow other = (FlowArrow) obj;
		if (end == null) {
			if (other.end != null) {
				return false;
			}
		}
		else if (!end.equals(other.end)) {
			return false;
		}
		if (refType == null) {
			if (other.refType != null) {
				return false;
			}
		}
		else if (!refType.equals(other.refType)) {
			return false;
		}
		if (start == null) {
			if (other.start != null) {
				return false;
			}
		}
		else if (!start.equals(other.start)) {
			return false;
		}
		return true;
	}
Call when the screen moves so that the shape can be updated
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/flowarrow/FlowArrow.java