我想写一个程序,其中文本被翻译成十六进制,然后到十进制,然后到(R,G,B)格式。但是,在尝试合并ClickableRectangle
时,我得到一个ArrayIndexOutOfBounds
异常,该异常动态地以rects
的符号进行更改。为什么我会得到这个动态的IndexOutOfBounds异常?
对我的问题/优化有什么想法?
char[] colors; //Array of characters to be translated into hexadecimal
String r = ""; //Red value of color
String g = ""; //Green value of color
String b = ""; //Blue value of color
int x = 0; //X-coordinate of rectangle
int y = 0; //Y-coordinate of rectangle
int q; //Character count
ClickableRectangle[] rects = new ClickableRectangle[400*400]; //Rectangles
void settings() {
size(displayWidth, displayHeight);
}
void setup() {
background(0);
colors = new char[3];
String s = ([INSERT TRANSCRIPT HERE]); //Too long to be in post//
for (int i = 0; i < s.length(); i+=3) {
for (int j = i; j < i+3; j++) {
colors[j-i] = s.charAt(j);
}
r = hex(colors[0], 2);
g = hex(colors[1], 2);
b = hex(colors[2], 2);
drawAPoint(r, g, b, i);
println(i);
q++;
}
save("SlachtochtFeuf.png"); //Ignore this, using for testing purposes
println("q = " + q);
println("x = " + x);
println("y = " + y);
}
void draw() {
for (int i = 0; i < rects.length; i++) {
if (rects[i].isClicked()) {
println(rects[i].getValue()); //Prints char representation of color
}
}
}
void drawAPoint(String r2, String g2, String b2, int i) {
noStroke();
fill(unhex(r2), unhex(g2), unhex(b2));
rects[i] = new ClickableRectangle(x, y, r2, g2, b2);
rects[i].display();
if (x >= width) {
x = 0;
y += 6;
} else {
x+=6;
}
}
class ClickableRectangle {
int x = 0;
int y = 0;
String r = "";
String g = "";
String b = "";
public ClickableRectangle(int x, int y, String r, String g, String b) {
this.x = x;
this.y = y;
this.r = r;
this.g = g;
this.b = b;
}
public void display() {
fill(unhex(r), unhex(g), unhex(b));
rect(x, y, 6, 6);
}
public void setRGB(String r, String g, String b) {
this.r = r;
this.g = g;
this.b = b;
}
public String getValue() {
return ""+char(unhex(r))+char(unhex(g))+char(unhex(b));
}
public boolean isClicked() {
return mouseX > x && mouseY > y && mouseX < x+6 && mouseY < y+6;
}
}