opengl-hw.zip_open_opengl_opengl 动画_opengl 地图_地图

#include<iostream> #include<stdlib.h> #include <math.h> #include <time.h> #include <gl/glut.h> #define RIGHT 40 //設定迷宮的長寬 #define BOTTOM 40 class grid //每一格的結構,顯示該格的哪個邊該消失 { public: bool left, right, top, bottom, already; grid() { bottom=1; left=1; right=1; top=1; already=0; } void Draw(int x, int y) { if(top==1) { glBegin(GL_LINES); glVertex2f(-3.5+ 7.0/RIGHT * x , 3.5- 7.0/BOTTOM * y); glVertex2f(-3.5+ 7.0/RIGHT * (x+1), 3.5- 7.0/BOTTOM * y); glEnd(); } if(bottom==1) { glBegin(GL_LINES); glVertex2f(-3.5+ 7.0/RIGHT * x , 3.5- 7.0/BOTTOM * (y+1)); glVertex2f(-3.5+ 7.0/RIGHT * (x+1), 3.5- 7.0/BOTTOM * (y+1)); glEnd(); } if(left==1) { glBegin(GL_LINES); glVertex2f(-3.5+ 7.0/RIGHT * x , 3.5- 7.0/BOTTOM * y); glVertex2f(-3.5+ 7.0/RIGHT * x , 3.5- 7.0/BOTTOM * (y+1)); glEnd(); } if(right==1) { glBegin(GL_LINES); glVertex2f(-3.5+ 7.0/RIGHT * (x+1), 3.5- 7.0/BOTTOM * y); glColor4f(0.8f, 0.8f, 0.8f, 1.0f); glVertex2f(-3.5+ 7.0/RIGHT * (x+1), 3.5- 7.0/BOTTOM * (y+1)); glEnd(); } } }; struct node { int data; node *next; }; class stack //堆疊結構 { node *top; public: node* add(int x) { node* newNode = new node; newNode->next = top; top = newNode; set(x); return newNode; } void del() { node* temp = top; top = top->next; delete temp; } node* get() { return top; } void set(int x) { top->data=x; } }; grid game[RIGHT][BOTTOM]; stack goal; void Drawline(int x, int y , int xx, int yy) { glColor4f(1.0f, 0,0,1.0f); glBegin(GL_LINES); glVertex2f(-3.5+ 7.0/RIGHT * (x+0.5) , 3.5- 7.0/BOTTOM * (y+0.5) ); glVertex2f(-3.5+ 7.0/RIGHT * (xx+0.5), 3.5- 7.0/BOTTOM * (yy+0.5) ); glEnd(); } void gamelogic() { stack save; srand( time(0) );//亂數初始化 int x=0,y=0,max=0,dead; game[0][0].already=1; while(max < RIGHT*BOTTOM-1) { dead=0; (x+1<RIGHT)? dead+=game[x+1][y].already:dead++; (x-1>=0)? dead+=game[x-1][y].already:dead++; (y+1<BOTTOM)?dead+=game[x][y+1].already:dead++; (y-1>=0)? dead+=game[x][y-1].already:dead++; if(dead>=4) { if(x==RIGHT-1 && y==BOTTOM-1) { goal.add(y); goal.add(x); node* baffer=save.get(); int xx,yy; do { yy = baffer->data; xx = baffer->next->data; goal.add(xx); goal.add(yy); baffer= baffer->next->next; } while(! (xx==0 && yy==0) ); } y=save.get()->data; save.del(); x=save.get()->data; save.del(); } switch(rand()%4) { case 0: if(y-1 < 0 || game[x][y-1].already==1) continue; save.add(x); save.add(y); game[x][y].top=0; //game[x][y].Draw(x,y); game[x][--y].bottom=0; game[x][y].already=1; break; case 1: if(y+1 >= BOTTOM || game[x][y+1].already==1) continue; save.add(x); save.add(y); game[x][y].bottom=0; //game[x][y].Draw(x,y); game[x][++y].top=0; game[x][y].already=1; break; case 2: if(x-1 < 0 || game[x-1][y].already==1) continue; save.add(x); save.add(y); game[x][y].left=0; //game[x][y].Draw(x,y); game[--x][y].right=0; game[x][y].already=1; break; case 3: if(x+1 >= RIGHT || game[x+1][y].already==1) continue; save.add(x); save.add(y); game[x][y].right=0; //game[x][y].Draw(x,y); game[++x][y].left=0; game[x][y].already=1; break; } max++; glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);//清除指定的緩衝區 for(int i=0; i<RIGHT; i++) for(int j=0; j<BOTTOM; j++) if(game[i][j].already) game[i][j].Draw(i,j); glutSwapBuffers(); } game[0][0].left=0; game[RIGHT-1][BOTTOM-1].right=0; } void Display() { static bool yes=0; glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);//清除指定的緩衝區 if(!yes) { yes=!yes; gamelogic(); } glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);//清除指定的緩衝區 for(int i=0;i<RIGHT;i++) for(int j=0;j<BOTTOM;j++) game[i][j].Draw(i,j); while(! (goal.get()->data==BOTTOM-1 && goal.get()->next->data==RIGHT-1) ) //重劃尚有問題 { int x,y, xx, yy; y=goal.get()->data; goal.del(); x=goal.get()->data; goal.del(); yy=goal.get()->data; xx=goal.get()->next->data; Drawline(x,y,xx,yy); } glutSwapBuffers(); } void myReshape(int w, int h) { glViewport(0, 0, w, h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); if (w <= h) glOrtho(-4.0, 4.0, -4.0 * (GLfloat) h / (GLfloat) w, 4.0 * (GLfloat) h / (GLfloat) w, -10.0, 10.0); else glOrtho(-4.0 * (GLfloat) w / (GLfloat) h, 4.0 * (GLfloat) w / (GLfloat) h, -4.0, 4.0, -10.0, 10.0); } void main() { glutInitDisplayMode(GLUT_DEPTH |GLUT_DOUBLE | GLUT_RGBA);//用一個單一緩衝區的視窗，且用RGB的色彩模式 glutInitWindowSize(600, 600); //視窗的大小 x,y glutInitWindowPosition(250, 100); //建立窗口的位置 glutCreateWindow("maze");//設定視窗標題 glClearColor(0.1f ,0.1f ,0.1f ,1.0f);//依設定的顏色清除視窗 glEnable(GL_DEPTH_TEST); glutReshapeFunc(myReshape); glutDisplayFunc(Display);//表示GLUT會在視窗需要繪圖時呼叫此處所傳入的函數指標 glutMainLoop();//讓GLUT架構開始運作，處理所有與作業系統相關的訊息、按鍵等等直到程式結束 }