VodkaLaterra/src/main/java/com/lotkavolterra/Slider.java

package main.java.com.lotkavolterra;

public class Slider extends Graphs {
        float x;    // top left corner x position
        float y;    // top left corner y position
        float w;    // width of button
        String label;
        float w0; // Fill the box till

       Slider(String mylabel, float xpos, float ypos, float widthB) {
            x = xpos;
            y = ypos;
            w = widthB;
            label = mylabel;
            w0=0;
        }
        float get_speed(){
            return w0/w;
        }

        boolean MouseIsOver( float mouseX, float mouseY) {
            if (mouseX > x && mouseX < (x + w) && mouseY > y-PIC_SIZE/2 && mouseY < (y + PIC_SIZE/2)) {
                w0=mouseX - x;
                return true;
            }
            return false;
        }
}