M的部落格

設計結構四大金剛

[初始化]、[計算]、[繪圖]、[終結]

package tw.edu.pccu.MyGame003;

import android.content.res.Resources;

import android.graphics.Canvas;

import android.graphics.Color;

public class MyGameMain

{

    private MyData m_Data = null;

    private MyIcon m_icon = null;

    private MyCrab m_crab = null;

    private boolean m_bIsEnable = false; //是否計算, 給 f_Update 用的

    private boolean m_bIsVisible = false; //是否顯示, 給 f_Render 用的

    //建構式

    public MyGameMain()

    {

        m_Data = new MyData();

        m_icon = new MyIcon();

        m_crab = new MyCrab();

    }

    //初始化

    public boolean f_Initial( Resources e_res, int e_nScreenWidth, int e_nScreenHeight )

    {

        boolean l_bResult = false;

        //

        m_Data.m_nScreenWidth = e_nScreenWidth;

        m_Data.m_nScreenHeight = e_nScreenHeight;

        m_Data.m_fLimitLeft   = 10.0f;

        m_Data.m_fLimitRight = m_Data.m_nScreenWidth - 10.0f;

        m_Data.m_fLimitTop        = 10.0f;

        m_Data.m_fLimitBottom   = m_Data.m_nScreenHeight - 80.0f;

        //

        l_bResult = m_icon.f_Initial( e_res, m_Data );

        l_bResult = m_crab.f_Initial(e_res, m_Data );

        //

        m_bIsEnable = true;

        m_bIsVisible = true;

        return true;

    }

    //計算

    public void f_Update( float e_fdt )

    {

        if( m_bIsEnable==false )

            return; //不用計算

        //

        m_icon.f_Update(e_fdt);

        m_crab.f_Update(e_fdt);

    }

    //繪圖

    public void f_Render( Canvas e_canvas )

    {

        //清圖

        e_canvas.drawColor(Color.YELLOW);

        //

        if( m_bIsVisible==false )

            return; //不用繪圖

        //

        m_icon.f_Render(e_canvas);

        m_crab.f_Render(e_canvas);

    }

    //終結

    public void f_Destroy()

    {

        m_icon.f_Destroy();

        m_crab.f_Destroy();

    }

}