1. void setup(){
size(500, 400); } float x = 250, y = 200; void draw(){ background(245, 184, 200); fill(204, 102, 156); stroke(125, 84, 105); strokeWeight(3); ellipse(x, y, 55, 55); //砲塔 fill(167, 167, 175); stroke(110, 110, 113); strokeWeight(3); rect(240, 160, 20, 20); //砲管 line(x, y, mouseX, mouseY); //引導線 }
2. void setup() {
size(500, 400); } float x = 250, y = 200; void draw() { background(245, 184, 200); float dx = mouseX - x, dy = mouseY - y; float a = atan2(dy, dx); strokeWeight(20); //很粗的一條線, 長度是40 line(x, y, x+cos(a)*50, y+sin(a)*50); //cos()算出x方向, sin()算出y方向 fill(204, 102, 156); stroke(125, 84, 105); strokeWeight(3); ellipse(x, y, 55, 55); //砲塔 fill(167, 167, 175); stroke(110, 110, 113); strokeWeight(3); rect(240, 160, 20, 20); //砲管 }
3. 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); // atan2() 算出角度 line(x, y, mouseX, mouseY); myTank(x, y, a); } void myTank(float x, float y, float a) { translate(x, y); //大二下圖學課教的移動 rotate(a); //大二下圖學課教的旋轉 fill(167, 167, 175); stroke(110, 110, 113); strokeWeight(4); rect(20, -10, 20, 20); //砲管 fill(204, 102, 156); stroke(125, 84, 105); strokeWeight(3); ellipse(0, 0, 55, 55); //砲塔 }
4. 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 stroke(210); //灰底的線 for (int i=0; i<30; i++) { line(0, i*30, 500, i*30); line(i*30, 0, i*30, 500); } //background(215, 184, 200); //紅底 //stroke(211, 180, 196); //紅底的線 float dx = mouseX - x, dy = mouseY - y; float a = atan2(dy, dx); // atan2() 算出角度 line(x, y, mouseX, mouseY); myTank(x, y, a); } void myTank(float x, float y, float a) { translate(x, y); //大二下圖學課教的移動 rotate(a); //大二下圖學課教的旋轉 fill(167, 167, 175); stroke(110, 110, 113); strokeWeight(4); rect(20, -10, 20, 20); //砲管 fill(204, 102, 156); stroke(125, 84, 105); strokeWeight(3); ellipse(0, 0, 55, 55); //砲塔 }
5. 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); //讓全世界, 都向反方向移動 translate(width/2, height/2); //把 0.0 移畫面正中心 float mx = mouseX+x-width/2, my = mouseY+y-height/2; //換算 mx, my 的座標 ellipse(mx, my, 8, 8); stroke(210); //灰底的線 for (int i=0; i<30; i++) { line(0, i*30, 500, i*30); line(i*30, 0, i*30, 500); } //background(215, 184, 200); //紅底 //stroke(211, 180, 196); //紅底的線 float dx = mx - x, dy = my - y; //改用 mx, my float a = atan2(dy, dx); // atan2() 算出角度 line(x, y, mx, my); //改用 mx, my myTank(x, y, a); } void myTank(float x, float y, float a) { translate(x, y); //大二下圖學課教的移動 rotate(a); //大二下圖學課教的旋轉 fill(167, 167, 175); stroke(110, 110, 113); strokeWeight(4); rect(20, -10, 20, 20); //砲管 fill(204, 102, 156); stroke(125, 84, 105); strokeWeight(3); ellipse(0, 0, 55, 55); //砲塔 }
6. void setup() {
size(500, 400); } void keyPressed() { if (keyCode==RIGHT) vx = 1; //x += 1 if (keyCode==LEFT) vx = -1; //x -= 1 if (keyCode==UP) vy = -1; //y -= 1 if (keyCode==DOWN) vy = 1; //y+=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); //讓全世界, 都向反方向移動 translate(width/2, height/2); //把 0.0 移畫面正中心 float mx = mouseX+x-width/2, my = mouseY+y-height/2; //換算 mx, my 的座標 ellipse(mx, my, 8, 8); stroke(210); //灰底的線 for (int i=0; i<30; i++) { line(0, i*30, 500, i*30); line(i*30, 0, i*30, 500); } //background(215, 184, 200); //紅底 //stroke(211, 180, 196); //紅底的線 float dx = mx - x, dy = my - y; //改用 mx, my float a = atan2(dy, dx); // atan2() 算出角度 line(x, y, mx, my); //改用 mx, my myTank(x, y, a); } void myTank(float x, float y, float a) { translate(x, y); //大二下圖學課教的移動 rotate(a); //大二下圖學課教的旋轉 fill(167, 167, 175); stroke(110, 110, 113); strokeWeight(4); rect(20, -10, 20, 20); //砲管 fill(204, 102, 156); stroke(125, 84, 105); strokeWeight(3); ellipse(0, 0, 55, 55); //砲塔 }
7. void setup() {
size(500, 400); } void keyPressed() { if (keyCode==RIGHT) vx = 1; //x += 1 if (keyCode==LEFT) vx = -1; //x -= 1 if (keyCode==UP) vy = -1; //y -= 1 if (keyCode==DOWN) vy = 1; //y+=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); //讓全世界, 都向反方向移動 translate(width/2, height/2); //把 0.0 移畫面正中心 float mx = mouseX+x-width/2, my = mouseY+y-height/2; //換算 mx, my 的座標 ellipse(mx, my, 8, 8); stroke(210); //灰底的線 for (int i=0; i<30; i++) { line(0, i*30, 500, i*30); line(i*30, 0, i*30, 500); } //background(215, 184, 200); //紅底 //stroke(211, 180, 196); //紅底的線 float dx = mx - x, dy = my - y; //改用 mx, my float a = atan2(dy, dx); // atan2() 算出角度 angle = a; line(x, y, mx, my); //改用 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 = 0, bulletVY = 0; //子彈的x,y位置和速度 void mousePressed(){ bulletX = x; bulletY = y; bulletVX = cos(angle); bulletVY = sin(angle); } void myTank(float x, float y, float a) { translate(x, y); //大二下圖學課教的移動 rotate(a); //大二下圖學課教的旋轉 fill(167, 167, 175); stroke(110, 110, 113); strokeWeight(4); rect(20, -10, 20, 20); //砲管 fill(204, 102, 156); stroke(125, 84, 105); strokeWeight(3); ellipse(0, 0, 55, 55); //砲塔 }
8. void setup() {
size(500, 400); } void keyPressed() { if (keyCode==RIGHT) vx = 1; //x += 1 if (keyCode==LEFT) vx = -1; //x -= 1 if (keyCode==UP) vy = -1; //y -= 1 if (keyCode==DOWN) vy = 1; //y+=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); //讓全世界, 都向反方向移動 translate(width/2, height/2); //把 0.0 移畫面正中心 float mx = mouseX+x-width/2, my = mouseY+y-height/2; //換算 mx, my 的座標 //ellipse(mx, my, 8, 8); stroke(210); //灰底的線 for (int i=0; i<30; i++) { line(0, i*30, 500, i*30); line(i*30, 0, i*30, 500); } //background(215, 184, 200); //紅底 //stroke(211, 180, 196); //紅底的線 float dx = mx - x, dy = my - y; //改用 mx, my float a = atan2(dy, dx); // atan2() 算出角度 angle = a; line(x, y, mx, my); //改用 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; //一開始有0個子彈, 之後慢慢增加 float [] bulletX = new float[100]; //致命問題: 只有100發子彈, 超過會當機 float [] bulletY = new float [100]; float [] bulletVX = new float [100]; float [] bulletVY = new float [100]; //子彈的x,y位置和速度 void mousePressed() { int i = bulletN; bulletX[i] = x; bulletY[i] = y; bulletVX[i] = cos(angle); bulletVY[i] = sin(angle); bulletN ++; } void myTank(float x, float y, float a) { translate(x, y); //大二下圖學課教的移動 rotate(a); //大二下圖學課教的旋轉 fill(167, 167, 175); stroke(110, 110, 113); strokeWeight(4); rect(20, -10, 20, 20); //砲管 fill(204, 102, 156); stroke(125, 84, 105); strokeWeight(3); ellipse(0, 0, 55, 55); //砲塔 }
9. void setup() {
size(500, 400); } void keyPressed() { if (keyCode==RIGHT) vx = 1; //x += 1 if (keyCode==LEFT) vx = -1; //x -= 1 if (keyCode==UP) vy = -1; //y -= 1 if (keyCode==DOWN) vy = 1; //y+=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); //讓全世界, 都向反方向移動 translate(width/2, height/2); //把 0.0 移畫面正中心 float mx = mouseX+x-width/2, my = mouseY+y-height/2; //換算 mx, my 的座標 //ellipse(mx, my, 8, 8); stroke(210); //灰底的線 for (int i=0; i<30; i++) { line(0, i*30, 500, i*30); line(i*30, 0, i*30, 500); } //background(215, 184, 200); //紅底 //stroke(211, 180, 196); //紅底的線 float dx = mx - x, dy = my - y; //改用 mx, my float a = atan2(dy, dx); // atan2() 算出角度 angle = a; line(x, y, mx, my); //改用 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; //一開始有0個子彈, 之後慢慢增加 float [] bulletX = new float[100]; //致命問題: 只有100發子彈, 超過會當機 float [] bulletY = new float [100]; float [] bulletVX = new float [100]; float [] bulletVY = new float [100]; //子彈的x,y位置和速度 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[k] = bulletX[k+50]; bulletY[k] = bulletY[k+50]; bulletVX[k] = bulletVX[k+50]; bulletVY[k] = bulletVY[k+50]; } bulletN = 50; } println(bulletN); } void myTank(float x, float y, float a) { translate(x, y); //大二下圖學課教的移動 rotate(a); //大二下圖學課教的旋轉 fill(167, 167, 175); stroke(110, 110, 113); strokeWeight(4); rect(20, -10, 20, 20); //砲管 fill(204, 102, 156); stroke(125, 84, 105); strokeWeight(3); ellipse(0, 0, 55, 55); //砲塔 }
10. void setup() {
size(500, 400); } void keyPressed() { if (keyCode==RIGHT) vx = 1; //x += 1 if (keyCode==LEFT) vx = -1; //x -= 1 if (keyCode==UP) vy = -1; //y -= 1 if (keyCode==DOWN) vy = 1; //y+=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); //讓全世界, 都向反方向移動 translate(width/2, height/2); //把 0.0 移畫面正中心 float mx = mouseX+x-width/2, my = mouseY+y-height/2; //換算 mx, my 的座標 //ellipse(mx, my, 8, 8); stroke(210); //灰底的線 for (int i=0; i<30; i++) { line(0, i*30, 500, i*30); line(i*30, 0, i*30, 500); } //background(215, 184, 200); //紅底 //stroke(211, 180, 196); //紅底的線 float dx = mx - x, dy = my - y; //改用 mx, my float a = atan2(dy, dx); // atan2() 算出角度 angle = a; line(x, y, mx, my); //改用 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 --; //少了一顆子彈 } } } float angle; int bulletN = 0; //一開始有0個子彈, 之後慢慢增加 float [] bulletX = new float[100]; //致命問題: 只有100發子彈, 超過會當機 float [] bulletY = new float [100]; float [] bulletVX = new float [100]; float [] bulletVY = new float [100]; //子彈的x,y位置和速度 int [] bulletT = new int[100]; //每個子彈的壽命 void mousePressed() { int i = bulletN; bulletX[i] = x; bulletY[i] = y; bulletVX[i] = cos(angle); bulletVY[i] = sin(angle); bulletT[i] = 600; //每個子彈, 只有10秒壽命 bulletN ++; if(bulletN==100){ for(int k=0; k<50; k++){ bulletX[k] = bulletX[k+50]; bulletY[k] = bulletY[k+50]; bulletVX[k] = bulletVX[k+50]; bulletVY[k] = bulletVY[k+50]; } bulletN = 50; } println(bulletN); } void myTank(float x, float y, float a) { translate(x, y); //大二下圖學課教的移動 rotate(a); //大二下圖學課教的旋轉 fill(167, 167, 175); stroke(110, 110, 113); strokeWeight(4); rect(20, -10, 20, 20); //砲管 fill(204, 102, 156); stroke(125, 84, 105); strokeWeight(3); ellipse(0, 0, 55, 55); //砲塔 }
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