WEEK02-1
void setup(){
size(400,400);
}
void draw(){
background(255);
fill(#FFDC0F);
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);
}
}
}
使用滑鼠左右滑動操作調整開口大小
WEEK02-2
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);
}
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);
}
WEEK02-4
void setup() {
size(400, 400);
}
void draw() {
background(255);
fill(#FFDC0F);
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);
}
}
}
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);
}
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);
}
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==LEFT)
{
x--;
d=PI/2*2;
} else if (keyCode==UP)
{
y--;
d=PI/2*3;
} else if (keyCode==DOWN)
{
y++;
d=PI/2*1;
}
}
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;
}
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};
if(keyPressed)x+=dx[d];
if(keyPressed)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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