pingusprite.java

j2me_nokia_flash打企鹅手机版

class PinguSprite
{

    protected int velocity_x;
    protected int velocity_y;
    protected int acceleration_x;
    protected int acceleration_y;
    protected int actPos_x;
    protected int actPos_y;
    protected boolean parked;
    protected int baseline;
    private int xOrg;
    private int yOrg;

    protected PinguSprite(int i, int j, int k)
    {
        velocity_x = 0;
        velocity_y = 0;
        acceleration_x = 0;
        acceleration_y = 0;
        actPos_x = 0;
        actPos_y = 0;
        parked = true;
        xOrg = i;
        yOrg = j;
        baseline = k;
        spriteInit();
    }

    protected void spriteInit()
    {
        parked = true;
        velocity_x = 0;
        velocity_y = 0;
        acceleration_x = 0;
        acceleration_y = 0;
        actPos_x = xOrg;
        actPos_y = yOrg;
    }

    protected void move(int i)
    {
        if(!parked)
        {
            actPos_x += velocity_x / 1000;
            actPos_y += velocity_y / 1000;
            if(actPos_y > baseline)
                actPos_y = baseline;
        }
    }

    protected void accelerate(int i)
    {
        if(!parked)
        {
            velocity_x += acceleration_x;
            velocity_y += acceleration_y;
        }
    }
}