void setup() {
size(500, 400);
}
float x = 250, y = 200;
void draw() {
background(215, 184, 200);
fill(167, 167, 175);
stroke(110, 110, 113);
strokeWeight(4);
rect(240, 160, 20, 20);
fill(202, 102, 156);
stroke(125, 84, 105);
strokeWeight(3);
ellipse(x, y, 55, 55);
line(x, y, mouseX, mouseY);
}
void setup() {
size(500, 400);
}
float x = 250, y = 200;
void draw() {
background(215, 184, 200);
float dx = mouseX- x, dy = mouseY - y;
float angle = atan2(dy, dx);//atant3算出角度
strokeWeight(20);//很粗的一條線,長度是40
line(x, y, x+cos(angle)*50, y+ sin(angle)*40);//cos()算出X方向,sin()算出y方向
fill(167, 167, 175);
stroke(110, 110, 113);
strokeWeight(4);
rect(240, 160, 20, 20);
fill(202, 102, 156);
stroke(125, 84, 105);
strokeWeight(3);
ellipse(x, y, 55, 55);
line(x, y, mouseX, mouseY);
}

void setup() {
size(500, 400);
}
float x = 250, y = 200;
void draw() {
background(215, 184, 200);
float dx = mouseX- x, dy = mouseY - y;
float a = atan2(dy, dx);//atant3算出角度
line(x, y, mouseX, mouseY);
myTank(x, y, a);
}
void myTank(float x, float y, float a) {
translate(x, y);
rotate(a);
fill(167, 167, 175);
stroke(110, 110, 113);
strokeWeight(4);
rect(20, -10, 20, 20);
fill(202, 102, 156);
stroke(125, 84, 105);
strokeWeight(3);
ellipse(0, 0, 55, 55);
}

void setup() {
size(500, 400);
}
float x = 250, y = 200;
void draw() {
background(219);//灰底
stroke(150);
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);//atant3算出角度
line(x, y, mouseX, mouseY);
myTank(x, y, a);
}
void myTank(float x, float y, float a) {
translate(x, y);
rotate(a);
fill(167, 167, 175);
stroke(110, 110, 113);
strokeWeight(4);
rect(20, -10, 20, 20);
fill(202, 102, 156);
stroke(125, 84, 105);
strokeWeight(3);
ellipse(0, 0, 55, 55);
}
void setup() {
size(500, 400);
}
void keyPressed(){
(){
if(keyCode==RIGHT) x+=1;
if(keyCode==LEFT) x-=1;
if(keyCode==UP) y-=1;
if(keyCode==DOWN) y+=1;
}
float x = 250, y = 200;
void draw() {
background(219);//灰底
translate(-x, -y);
translate(width/2, height/2);
float mx= mouseX+x-width/2, my = mouseY+y-height/2;
ellipse(mx, my, 8, 8);
stroke(150);
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;
float a = atan2(dy, dx);//atant3算出角度
line(x, y, mx, my);
myTank(x, y, a);
}
void myTank(float x, float y, float a) {
translate(x, y);
rotate(a);
fill(167, 167, 175);
stroke(110, 110, 113);
strokeWeight(4);
rect(20, -10, 20, 20);
fill(202, 102, 156);
stroke(125, 84, 105);
strokeWeight(3);
ellipse(0, 0, 55, 55);
}
void setup() {
size(500, 400);
}
void keyPressed(){
if(keyCode==RIGHT) vx = 1;
if(keyCode==LEFT) vx = -1;
if(keyCode==UP) vy = -1;
if(keyCode==DOWN) vy = 1;
}
void keyReleased(){
if(keyCode==LEFT || keyCode==RIGHT) vx = 0;
if(keyCode==UP || keyCode==DOWN) vy = 0;
}
float x = 250, y = 200, vx = 0, vy = 0;
void draw() {
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;
ellipse(mx, my, 8, 8);
stroke(150);
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;
float a = atan2(dy, dx);//atant3算出角度
angle = a;
line(x, y, mx, my);
pushMatrix();
myTank(x, y, a);
popMatrix();
if(bulletVX!=0 && bulletVY!=0){
bulletX += bulletVX;
bulletY += bulletVY;
ellipse(bulletX, bulletY, 20, 20);
}
}
float angle;
float bulletX = 0, bulletY = 0, bulletVX = -1, bulletVY=0;
void mousePressed(){
bulletX = x;
bulletY = y;
bulletVX = cos(angle);
bulletVY = sin(angle);
}
void myTank(float x, float y, float a) {
translate(x, y);
rotate(a);
fill(167, 167, 175);
stroke(110, 110, 113);
strokeWeight(4);
rect(20, -10, 20, 20);
fill(202, 102, 156);
stroke(125, 84, 105);
strokeWeight(3);
ellipse(0, 0, 55, 55);
}
void setup() {
size(500, 400);
}
void keyPressed() {
if (keyCode==RIGHT) vx = 1;
if (keyCode==LEFT) vx = -1;
if (keyCode==UP) vy = -1;
if (keyCode==DOWN) vy = 1;
}
void keyReleased() {
if (keyCode==LEFT || keyCode==RIGHT) vx = 0;
if (keyCode==UP || keyCode==DOWN) vy = 0;
}
float x = 250, y = 200, vx = 0, vy = 0;
void draw() {
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;
ellipse(mx, my, 8, 8);
stroke(150);
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;
float a = atan2(dy, dx);//atant3算出角度
angle = a;
line(x, y, mx, my);
pushMatrix();
myTank(x, y, a);
popMatrix();
for (int i=0; i<bulletN; i++) {
bulletX[i] += bulletVX[i];
bulletY[i] += bulletVY[i];
ellipse(bulletX[i], bulletY[i], 20, 20);
}
}
float angle;
int bulletN = 0;
float [] bulletX = new float[100];
float [] bulletY = new float[100];
float [] bulletVX = new float[100];
float [] bulletVY = new float[100];
void mousePressed() {
int i = bulletN ;
bulletX[i] = y;
bulletY[i] = y;
bulletVX[i] = cos(angle);
bulletVY[i] = sin(angle);
bulletN ++;
}
void myTank(float x, float y, float a) {
translate(x, y);
rotate(a);
fill(167, 167, 175);
stroke(110, 110, 113);
strokeWeight(4);
rect(20, -10, 20, 20);
fill(202, 102, 156);
stroke(125, 84, 105);
strokeWeight(3);
ellipse(0, 0, 55, 55);
}

void setup() {
size(500, 400);
}
void keyPressed() {
if (keyCode==RIGHT) vx = 1;
if (keyCode==LEFT) vx = -1;
if (keyCode==UP) vy = -1;
if (keyCode==DOWN) vy = 1;
}
void keyReleased() {
if (keyCode==LEFT || keyCode==RIGHT) vx = 0;
if (keyCode==UP || keyCode==DOWN) vy = 0;
}
float x = 250, y = 200, vx = 0, vy = 0;
void draw() {
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;
ellipse(mx, my, 8, 8);
stroke(150);
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;
float a = atan2(dy, dx);//atant3算出角度
angle = a;
line(x, y, mx, my);
pushMatrix();
myTank(x, y, a);
popMatrix();
for (int i=0; i<bulletN; i++) {
bulletX[i] += bulletVX[i];
bulletY[i] += bulletVY[i];
ellipse(bulletX[i], bulletY[i], 20, 20);
}
}
float angle;
int bulletN = 0;
float [] bulletX = new float[100];
float [] bulletY = new float[100];
float [] bulletVX = new float[100];
float [] bulletVY = new float[100];
void mousePressed() {
int i = bulletN ;
bulletX[i] = x;
bulletY[i] = y;
bulletVX[i] = cos(angle);
bulletVY[i] = sin(angle);
bulletN ++;
if(bulletN==100){
for(int k=0; k<50; k++){
bulletX[i] = bulletX[k+50];
bulletY[i] = bulletY[k+50];
bulletVX[i] = bulletVX[k+50];
bulletVY[i] = bulletVY[k+50];
}
bulletN = 50;
}
println(bulletN);
}
void myTank(float x, float y, float a) {
translate(x, y);
rotate(a);
fill(167, 167, 175);
stroke(110, 110, 113);
strokeWeight(4);
rect(20, -10, 20, 20);
fill(202, 102, 156);
stroke(125, 84, 105);
strokeWeight(3);
ellipse(0, 0, 55, 55);
}

void setup() {
size(500, 400);
}
void keyPressed() {
if (keyCode==RIGHT) vx = 1;
if (keyCode==LEFT) vx = -1;
if (keyCode==UP) vy = -1;
if (keyCode==DOWN) vy = 1;
}
void keyReleased() {
if (keyCode==LEFT || keyCode==RIGHT) vx = 0;
if (keyCode==UP || keyCode==DOWN) vy = 0;
}
float x = 250, y = 200, vx = 0, vy = 0;
void draw() {
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;
ellipse(mx, my, 8, 8);
stroke(150);
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;
float a = atan2(dy, dx);//atant3算出角度
angle = a;
line(x, y, mx, my);
pushMatrix();
myTank(x, y, a);
popMatrix();
for (int i=0; i<bulletN; i++) {
bulletX[i] += bulletVX[i];
bulletY[i] += bulletVY[i];
ellipse(bulletX[i], bulletY[i], 20, 20);
bulletT[i]--;
if(bulletT[i]==0){
for(int k=i+1; k<bulletN; k++){
bulletX[k-1]= bulletX[k];
bulletY[k-1]= bulletY[k];
bulletVX[k-1]= bulletVX[k];
bulletVY[k-1]= bulletVY[k];
bulletT[k-1] = bulletT[k];
}
bulletN--;
}
}
println(bulletN);
}
float angle;
int bulletN = 0;
float [] bulletX = new float[100];
float [] bulletY = new float[100];
float [] bulletVX = new float[100];
float [] bulletVY = new float[100];
int[] bulletT = new int[100];
void mousePressed() {
int i = bulletN ;
bulletX[i] = x;
bulletY[i] = y;
bulletVX[i] = cos(angle);
bulletVY[i] = sin(angle);
bulletN ++;
if(bulletN==100){
for(int k=0; k<50; k++){
bulletX[i] = bulletX[k+50];
bulletY[i] = bulletY[k+50];
bulletVX[i] = bulletVX[k+50];
bulletVY[i] = bulletVY[k+50];
}
bulletN = 50;
}
println(bulletN);
}
void myTank(float x, float y, float a) {
translate(x, y);
rotate(a);
fill(167, 167, 175);
stroke(110, 110, 113);
strokeWeight(4);
rect(20, -10, 20, 20);
fill(202, 102, 156);
stroke(125, 84, 105);
strokeWeight(3);
ellipse(0, 0, 55, 55);
}
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