Week02
滑鼠x座標控制角度
//File-Preferences
void setup() {
size(400, 400);
}
void draw() {
background(255);
fill(#FFDC0F);//填充黃色
float a = radians(mouseX);
for (int x=0; x<400; x+=100) {
for (int y=0; y<400; y+=100) {
arc(x+50, y+50, 100, 100, 0 + a, PI*2 - a, PIE);//改畫弧度
//X座標, Y, 寬, 高, 開始, 結束蘋果派的方法畫
}
}
}

一開始張一點,第二次張到消失
void setup() {
size(400, 400);
}
void draw() {
background(255);
fill(#FFDC0F);
float a = radians(frameCount);
if(a>PI/4) a = a - PI/4;
arc(200, 200, 300, 300, 0+a, PI*2-a, PIE);
}
0~45度張合
//File-Preferences
void setup() {
size(400, 400);
}
void draw() {
background(255);
fill(#FFDC0F);
float a = frameCount % 180;
if (a<45) a = radians(a);
else if (a<90) a = radians(90-a);
else if (a<135) a = radians(a-90);
else if (a<180) a = radians(180-a);
arc(200, 200, 300, 300, 0+a, PI*2-a, PIE);
}
更多的張合圓
//File-Preferences
void setup() {
size(400, 400);
}
void draw() {
background(255);
fill(#FFDC0F);//填充黃色
//float a = radians(mouseX);
for (int x=0; x<400; x+=100) {
for (int y=0; y<400; y+=100) {
float a = frameCount % 180;
if (a<45) a = radians(a);
else if (a<90) a = radians(90-a);
else if (a<135) a = radians(a-90);
else if (a<180) a = radians(180-a);
arc(x+50, y+50, 100, 100, 0 + a, PI*2 - a, PIE);//改畫弧度
//X座標, Y, 寬, 高, 開始, 結束蘋果派的方法畫
}
}
}

圓球跟著移動鍵移動
void setup(){
size(400, 400);
}
int x = 200, y = 200;
void draw(){
background(255);
fill(#FFDC0F);
if(keyPressed && keyCode==RIGHT) x++;
if(keyPressed && keyCode==LEFT) x--;
if(keyPressed && keyCode==UP) y--;
if(keyPressed && keyCode==DOWN) y++;
ellipse(x, y, 100, 100);
}

跟著滑鼠x座標轉動
//File-Preferences
void setup() {
size(400, 400);
}
void draw() {
background(255);
fill(#FFDC0F);
float a = frameCount % 180;
float b = radians(mouseX);
if (a<45) a = radians(a);
else if (a<90) a = radians(90-a);
else if (a<135) a = radians(a-90);
else if (a<180) a = radians(180-a);
arc(200, 200, 300, 300, b+0+a, b+PI*2-a, PIE);
}
移動鍵控制張嘴方向
void setup() {
size(400, 400);
}
float x = 200, y = 200, d=PI/2*0;
void draw() {
background(255);
fill(#FFDC0F);
float a = frameCount % 180;
if (a<45) a = radians(a);
else if (a<90) a = radians(90-a);
else if (a<135) a = radians(a-90);
else if (a<180) a = radians(180-a);
arc(x, y, 100, 100, d+0+a, d+PI*2-a, PIE);
}
void keyPressed() {
if (keyCode==RIGHT) {
x++;
d = PI/2*0;
} else if (keyCode==DOWN) {
y++;
d = PI/2*1;
} else if (keyCode==LEFT) {
x--;
d= PI/2*2;
} else if (keyCode==UP) {
y--;
d = PI/2*3;
}
}
隨著按下的移動鍵方向漂浮
void setup() {
size(400, 400);
}
int x= 200, y = 200, d = 0;
void draw() {
background(255);
fill(#FFDC0F);
float a = 0.5;
int [] dx = {1, 0, -1, 0};
int [] dy = {0, 1, 0, -1};
x += dx[d];
y += dy[d];
arc(x, y, 100, 100, PI/2*d + a, PI/2*d + PI*2 - a, PIE);
}
void keyPressed() {
if (keyCode==RIGHT) d = 0;
if (keyCode==DOWN) d = 1;
if (keyCode==LEFT) d = 2;
if (keyCode==UP) d= 3;
}
隨著按下的移動鍵方向移動的張合嘴
void setup() {
size(400, 400);
}
int x= 200, y = 200, d = 0;
void draw() {
background(255);
fill(#FFDC0F);
float a = radians(abs(frameCount%90-45));
int [] dx = {1, 0, -1, 0};
int [] dy = {0, 1, 0, -1};
x += dx[d];
y += dy[d];
arc(x, y, 100, 100, PI/2*d + a, PI/2*d + PI*2 - a, PIE);
}
void keyPressed() {
if (keyCode==RIGHT) d = 0;
if (keyCode==DOWN) d = 1;
if (keyCode==LEFT) d = 2;
if (keyCode==UP) d= 3;
}
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