今天延續上禮拜交的
滑鼠點一下變色
程式碼:
void setup(){
size(500,500);
}
void draw(){
if(mousePressed) background(255,0,0);
else background(0,255,0);
}
按一下變色
再來是畫線,從頂點到滑鼠座標
程式碼:
void setup(){
size(500,500);
}
void draw(){
if(mousePressed) line(mouseX,mouseY,0,0);
}
再來就是做成小畫家
程式碼:
void setup(){
size(500,500);
}
void draw(){
if(mousePressed) line(mouseX,mouseY,pmouseX,pmouseY);
}
再來是換畫筆的顏色
程式碼:
void setup(){
size(500,500);
fill(255,0,0); rect(0,0,100,100);
fill(0,255,0); rect(0,100,100,100);
}
void draw(){
if(mousePressed){
if(mouseX<100){
if(mouseY<100)stroke(255,0,0);
else if(mouseY<200)stroke(0,255,0);
}else line(mouseX,mouseY,pmouseX,pmouseY);
}
再來是更改線條的粗細
程式碼:
void setup(){
size(500,500);
fill(255,0,0); ellipse(50,50,8,8);
fill(0,255,0); ellipse(50,150,4,4);
}
void draw(){
if(mousePressed){
if(mouseX<100){
if(mouseY<100)strokeWeight(8);
else if(mouseY<200)strokeWeight(4);
}else line(mouseX,mouseY,pmouseX,pmouseY);
}
}
再來一樣是粗細,可是有7個
程式碼:
void setup(){
size(500,500);
for(int i=1;i<8;i++){
rect(0,i*50,50,50);
ellipse(25,25+i*50,i,i);
}
}
void draw(){
if(mousePressed){
if(mouseX<50){
for(int i=1;i<8;i++){
if(mouseY>i*50 && mouseY<i*50+50){
strokeWeight(i);
}
}
} else line(mouseX,mouseY,pmouseX,pmouseY);
}
}
程式碼:
void setup(){
size(500,500);
rect(0,50,50,50);ellipse(25,25+50,1,1);
rect(0,100,50,50);ellipse(25,25+100,1,1);
rect(0,150,50,50);ellipse(25,25+150,1,1);
rect(0,200,50,50);ellipse(25,25+200,1,1);
rect(0,250,50,50);ellipse(25,25+250,1,1);
rect(0,300,50,50);ellipse(25,25+300,1,1);
rect(0,350,50,50);ellipse(25,25+350,1,1);
rect(0,400,50,50);ellipse(25,25+400,1,1);
}
void draw(){
if(mousePressed){
if(mouseX<50){
if(mouseY>1*50 && mouseY<1*50+50)strokeWeight(1);
if(mouseY>2*50 && mouseY<2*50+50)strokeWeight(2);
if(mouseY>3*50 && mouseY<3*50+50)strokeWeight(3);
if(mouseY>4*50 && mouseY<4*50+50)strokeWeight(4);
if(mouseY>5*50 && mouseY<5*50+50)strokeWeight(5);
if(mouseY>6*50 && mouseY<6*50+50)strokeWeight(6);
if(mouseY>7*50 && mouseY<7*50+50)strokeWeight(7);
if(mouseY>8*50 && mouseY<8*50+50)strokeWeight(8);
} else line(mouseX,mouseY,pmouseX,pmouseY);
}
}
程式碼:
void setup(){
size(500,500);
fill(#FF0505);rect(0,50,50,50);
fill(#FFB005);rect(0,100,50,50);
fill(#D0FF05);rect(0,150,50,50);
fill(#05FF24);rect(0,200,50,50);
fill(#05DCFF);rect(0,250,50,50);
fill(#051BFF);rect(0,300,50,50);
fill(#7905FF);rect(0,350,50,50);
fill(#FF05EF);rect(0,400,50,50);
}
void draw(){
if(mousePressed){
if(mouseX<50){
if(mouseY>1*50 && mouseY<1*50+50)stroke(#FF0505);
if(mouseY>2*50 && mouseY<2*50+50)stroke(#FFB005);
if(mouseY>3*50 && mouseY<3*50+50)stroke(#D0FF05);
if(mouseY>4*50 && mouseY<4*50+50)stroke(#05FF24);
if(mouseY>5*50 && mouseY<5*50+50)stroke(#05DCFF);
if(mouseY>6*50 && mouseY<6*50+50)stroke(#051BFF);
if(mouseY>7*50 && mouseY<7*50+50)stroke(#7905FF);
if(mouseY>8*50 && mouseY<8*50+50)stroke(#FF05EF);
} else line(mouseX,mouseY,pmouseX,pmouseY);
}
}
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