FloatAction.java

package sink.scene3d.actions;


/** An action that has a float, whose value is transitioned over time.
 * @author Nathan Sweet */
public class FloatAction extends TemporalAction {
        private float start, end;
        private float value;

        /** Creates a FloatAction that transitions from 0 to 1. */
        public FloatAction () {
                start = 0;
                end = 1;
        }

        /** Creates a FloatAction that transitions from start to end. */
        public FloatAction (float start, float end) {
                this.start = start;
                this.end = end;
        }

        protected void begin () {
                value = start;
        }

        protected void update (float percent) {
                value = start + (end - start) * percent;
        }

        /** Gets the current float value. */
        public float getValue () {
                return value;
        }

        /** Sets the current float value. */
        public void setValue (float value) {
                this.value = value;
        }

        public float getStart () {
                return start;
        }

        /** Sets the value to transition from. */
        public void setStart (float start) {
                this.start = start;
        }

        public float getEnd () {
                return end;
        }

        /** Sets the value to transition to. */
        public void setEnd (float end) {
                this.end = end;
        }
}