void setup(){
size(500,400);
}
float x=250,y=250;
void draw(){
background(215,184,200);
float dx = mouseX-x,dy=mouseY-y;
float a = atan2(dy,dx);//atan2長度
strokeWeight(20);
line(x,y,x+cos(a)*40,y+sin(a)*40);//cos()算出方向,sin()算出y方向
fill(167,167,175);
stroke(110,110,113);
strokeWeight(4);
rect(260,160,20,20);//砲管砲塔
fill(204,102,156);
stroke(124,84,105);
strokeWeight(3);
ellipse(x,y,55,55);
}
void setup(){
size(500,400);
}
float x=250,y=250;
void draw(){
background(215,184,200);
float dx = mouseX-x,dy=mouseY-y;
float a = atan2(dy,dx);//atan2長度
line(x,y,mouseX,mouseY);
myTank(x,y,a);
}
void myTank(float x,float y,float a){
translate(x,y);//移動
rotate(a);//旋轉
fill(167,167,175);
stroke(110,110,113);
strokeWeight(4);
rect(20,-10,20,20);//砲管砲塔
fill(204,102,156);
stroke(124,84,105);
strokeWeight(3);
ellipse(0,0,55,55);//圓形身體
}
void setup(){
size(500,400);
}
void KeyPressed(){//每次都問一次
if(keyCode==RIGHT) x+=1;
if(keyCode==LEFT) x-=1;
if(keyCode==UP) y-=1;
if(keyCode==DOWN) y+=1;
}
float x=250,y=250;
void draw(){
///background(215,184,200);
background(219);//灰底
stroke(214);//灰底的線
strokeWeight(1);
for(int i=0;i<30;i++){
line(0,i*30,500,i*30);
line(i*30,0,i*30,500);
}
float dx = mouseX-x,dy=mouseY-y;
float a = atan2(dy,dx);//atan2長度
line(x,y,mouseX,mouseY);
myTank(x,y,a);
}
void myTank(float x,float y,float a){
translate(x,y);//移動
rotate(a);//旋轉
fill(167,167,175);
stroke(110,110,113);
strokeWeight(4);
rect(20,-10,20,20);//砲管砲塔
fill(204,102,156);
stroke(124,84,105);
strokeWeight(3);
ellipse(0,0,55,55);//圓形身體
}
void setup(){
size(500,400);
}
void KeyPressed(){//每次都問一次
if(keyCode==RIGHT) x+=1;
if(keyCode==LEFT) x-=1;
if(keyCode==UP) y-=1;
if(keyCode==DOWN) y+=1;
}
float x=250,y=250;
void draw(){
///background(215,184,200);
background(219);//灰底
stroke(214);//灰底的線
translate(width/2,height/2);
float mx =mouseX+x-width/2,my=mouseY+y-height/2;//換算mx,my的座標
ellipse(mx,my,8,8);
for(int i=0;i<30;i++){
line(0,i*30,500,i*30);
line(i*30,0,i*30,500);
}
float dx = mx,dy=my;//改用mx,my
float a = atan2(dy,dx);//atan2長度
line(x,y,mx,my);//改用mx,my
myTank(x,y,a);
}
void myTank(float x,float y,float a){
translate(-x,-y);//讓全世界都往反方向移動
rotate(a);//旋轉
fill(167,167,175);
stroke(110,110,113);
strokeWeight(4);
rect(20,-10,20,20);//砲管砲塔
fill(204,102,156);
stroke(124,84,105);
strokeWeight(3);
ellipse(0,0,55,55);//圓形身體
}
void setup(){
size(500,400);
}
void KeyPressed(){//按下去時,會有速度,放開後,速度要變0
if(keyCode==RIGHT ) x+=1;
if(keyCode==LEFT) x-=1;
if(keyCode==UP) y-=1;
if(keyCode==DOWN) y+=1;
}
void keyReleased(){
if(keyCode==RIGHT || keyCode==LEFT) vx=1;
if(keyCode==UP || keyCode==DOWN) y=1;
}
float x=250,y=250,vx=0,vy=0;//代表移動速度
void draw(){
///background(215,184,200);
x+=vx;
y+=vy;
background(219);//灰底
translate(-x,-y);
translate(width/2,height/2);
float mx =mouseX+x-width/2,my=mouseY+y-height/2;//換算mx,my的座標
ellipse(mx,my,8,8);
stroke(214);//灰底的線
strokeWeight(1);
for(int i=0;i<30;i++){
line(0,i*30,500,i*30);
line(i*30,0,i*30,500);
}
float dx = mx-x,dy=my-y;//改用mx,my
float a = atan2(dy,dx);//atan2長度
line(x,y,mx-x,my-y);//改用mx,my
myTank(x,y,a);
}
void myTank(float x,float y,float a){
translate(-x,-y);//讓全世界都往反方向移動
rotate(a);//旋轉
fill(167,167,175);
stroke(110,110,113);
strokeWeight(4);
rect(20,-10,20,20);//砲管砲塔
fill(204,102,156);
stroke(124,84,105);
strokeWeight(3);
ellipse(0,0,55,55);//圓形身體
}
void setup(){
size(500,400);
}
void KeyPressed(){//按下去時,會有速度,放開後,速度要變0
if(keyCode==RIGHT ) x+=1;
if(keyCode==LEFT) x-=1;
if(keyCode==UP) y-=1;
if(keyCode==DOWN) y+=1;
}
void keyReleased(){
if(keyCode==RIGHT || keyCode==LEFT) vx=1;
if(keyCode==UP || keyCode==DOWN) y=1;
}
float x=250,y=250,vx=0,vy=0;//代表移動速度
void draw(){
///background(215,184,200);
x+=vx;
y+=vy;
background(219);//灰底
translate(-x,-y);
translate(width/2,height/2);
float mx =mouseX+x-width/2,my=mouseY+y-height/2;//換算mx,my的座標
ellipse(mx,my,8,8);
stroke(214);//灰底的線
strokeWeight(1);
for(int i=0;i<30;i++){
line(0,i*30,500,i*30);
line(i*30,0,i*30,500);
}
float dx = mx-x,dy=my-y;//改用mx,my
float a = atan2(dy,dx);//atan2長度
angle=a;
line(x,y,mx-x,my-y);//改用mx,my
pushMatrix();
myTank(x,y,a);
popMatrix();
if(bulletX!=0 && bulletY!=0){
bulletX+=bulletVX;
bulletY+=bulletVY;
ellipse(bulletX,bulletY,20,20);
}
}
float angle,bulletX=0,bulletY=0,bulletVY=0,bulletVX=0;
void mousePressed(){
bulletX=x;
bulletY=y;
bulletVX = cos(angle);
bulletVY = sin(angle);
}
void myTank(float x,float y,float a){
translate(x,y);//讓全世界都往反方向移動
rotate(a);//旋轉
fill(167,167,175);
stroke(110,110,113);
strokeWeight(4);
rect(20,-10,20,20);//砲管砲塔
fill(204,102,156);
stroke(124,84,105);
strokeWeight(3);
ellipse(0,0,55,55);//圓形身體
}






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