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            隨筆 - 132  文章 - 51  trackbacks - 0
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            閱讀排行榜

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            游戲中的傷害值敵人傷害值,傷害數字飄飄悠悠最后消失 ,我們將起歸納到Effect中,猶如粒子一樣,有時間生命,資源如下:

            我們根據不同的傷害選擇不同的顏色,英雄對敵人傷害白色,怪物對英雄傷害紅色….我們主要確定在屏幕的鼠標位置確定好我們的傷害數值的UV坐標,如我們隊怪物傷害為59,分別將數字5和數字9作為粒子特效,出現消失

            我們功過函數DrawNumberCharBitmap來確定每位數字的UV坐標

             



                   

                          
            struct SChar

                          
            {

                                 
            char c;                                // 字母

                                 
            int           x, y;                      // 位置

                                 
            int           bottom;                        // 底部參考坐標

                                 
            int           nWidth, nHeight;    // 大小

                                 DWORD dwBornTime;                
            // 出生時間

                                 DWORD dwLife;                        
            // 生命

                                 
            float alpha;

                                 

                          }
            ;

                   

                          
            enum

                          
            {

                          eMiss,

                          eNumberBlue,

                          eNumberRed,

                          eNumberGreen,

                          eNumberYellow,

                          }


                          
            struct SParticle

                          
            {

                                 
            int           nType;                                       //特效類型

                                 
            int           nStartX, nStartY;                  

                                 
            int           x, y;

                                 
            int           nWidth, nHeight;                  

                                 
            int           nSrcWidth, nSrcHeight;

                                 DWORD dwColor;                             

                                 DWORD dwStartTime;                       

                                 DWORD dwLastUpdateTime;

                                 DWORD dwLife;                                      
            //粒子存在時間

                                 
            int           nNumber;                                   //將數值記錄下來,eg:59傷害

                                 
            int           nNumChar;                                 //傷害數字長度

                                 SChar     chars[eMaxChar];                
            //每位值都作為一個單獨的粒子

                          }
            ;

                          

                          
            forint nChar = 0; nChar < pParticle->nNumChar; nChar++ )    //數字長度

                          
            {

                                 SChar
            * pChar = &pParticle->chars[nChar];

                                 

                                 DrawNumberCharBitmap( 
            int x, int y, int w, int h, int start_line, DWORD color, int nNumber, Simple2DVertex vertex[] );

                          }


                          

                          
            //確定UV坐標

                          
            void DrawNumberCharBitmap( int x, int y, int w, int h, int start_line, DWORD color, int nNumber, Simple2DVertex vertex[] )

                          
            {

                                 
            static POINT index[10=

                                 
            {

                                        
            00,

                                        
            01

                                        
            02,

                                        
            03,

             

                                        
            04,

                                        
            05,

                                        
            06,

                                        
            07,

             

                                        
            10,

                                        
            11,

                                 }
            ;

             

                                 RECT rect;

                                 rect.left   
            = x;

                                 rect.top   
            = y;

                                 rect.right 
            = x+w;

                                 rect.bottom 
            = y+h;

                                 
            //

                                 
            float sdv = 1.0f / 4 * start_line;

                                 
            float du = 1.0f/8;

                                 
            float dv = 1.0f/8;

                                 
            int row = index[nNumber].x;

                                 
            int col = index[nNumber].y;

             

                                 
            float z = 0.0f;

             

                                 vertex[
            0].p = D3DXVECTOR4( rect.left, rect.bottom, z, 1 );

                                 vertex[
            0].color = color;

                                 vertex[
            0].u = du*col;

                                 vertex[
            0].v = sdv + dv*row+dv;

             

                                 vertex[
            1].p = D3DXVECTOR4( rect.left, rect.top, z, 1 );

                                 vertex[
            1].color = color;

                                 vertex[
            1].u = du*col;

                                 vertex[
            1].v = sdv + dv*row;

             

                                 vertex[
            2].p = D3DXVECTOR4( rect.right, rect.bottom, z, 1 );

                                 vertex[
            2].color = color;

                                 vertex[
            2].u = du*col+du;

                                 vertex[
            2].v = sdv + dv*row+dv;

             

                                 vertex[
            3].p = D3DXVECTOR4( rect.right, rect.top, z, 1 );

                                 vertex[
            3].color = color;

                                 vertex[
            3].u = du*col+du;

                                 vertex[
            3].v = sdv + dv*row;

             

                          }

            posted on 2010-07-20 15:01 風輕云淡 閱讀(1008) 評論(0)  編輯 收藏 引用 所屬分類: GameDevelop
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