我正在尝试制作一个处理程序，但如果我使用 P2D、P3D 或 OPENGL 模式，我会收到错误消息：
com.sun.jdi.VMDisconnectedException
at com.sun.tools.jdi.TargetVM.waitForReply(TargetVM.java:285)
at com.sun.tools.jdi.VirtualMachineImpl.waitForTargetReply(VirtualMachineImpl.java:1015)
at com.sun.tools.jdi.PacketStream.waitForReply(PacketStream.java:51)
at com.sun.tools.jdi.JDWP$ObjectReference$InvokeMethod.waitForReply(JDWP.java:4589)
at com.sun.tools.jdi.ObjectReferenceImpl.invokeMethod(ObjectReferenceImpl.java:374)
at processing.mode.java.runner.Runner.findException(Runner.java:701)
at processing.mode.java.runner.Runner.reportException(Runner.java:652)
at processing.mode.java.runner.Runner.exception(Runner.java:595)
at processing.mode.java.runner.EventThread.exceptionEvent(EventThread.java:367)
at processing.mode.java.runner.EventThread.handleEvent(EventThread.java:255)
at processing.mode.java.runner.EventThread.run(EventThread.java:89)
错误消息本身在 P2D 和 P3D 之间有所不同，但它们都得到 no framebuffer objects available 错误。我正在使用处理 2.0b7，如果您需要更多信息，请帮助并告诉我。注意：我不知道这是否是一个单独的问题，但我也收到了 GLSL 着色器错误。现在，这是我的代码：
Cell[][] Cells = new Cell[50][50];
byte Direction = 1;
byte Times = 1;
int oldwidth = 500;
int oldheight = 500;
void setup() {
size(oldwidth, oldheight, OPENGL);
background(255);
colorMode(HSB,250);
for (int x = 0; x < 50; x++) {
for (int y = 0; y < 50; y++) {
Cells[x][y] = new Cell(x * 5, y * 5, 255, x * (width / 50), y * (height / 50), width / 50, height / 50);
}
}
}
void draw() {
for (int x = 0; x < 50; x++) {
for (int y = 0; y < 50; y++) {
if (width == oldwidth) Cells[x][y].Width = width / 50;
if (height == oldheight) Cells[x][y].Height = height / 50;
if (Direction == 1){
Cells[x][y].Hue += 5;
if (Cells[x][y].Hue > 250) Cells[x][y].Hue -= 250;
}
if (Direction == 2){
Cells[x][y].Saturation -= 5;
if (Cells[x][y].Saturation < 0) Cells[x][y].Saturation += 500;
}
if (Direction == 3){
Cells[x][y].Hue -= 5;
if (Cells[x][y].Hue < 0) Cells[x][y].Hue += 250;
}
if (Direction == 4){
Cells[x][y].Saturation += 5;
if (Cells[x][y].Saturation > 500) Cells[x][y].Saturation -= 500;
}
Cells[x][y].Draw();
}
}
if (Times == 50){
Times = 1;
if (Direction == 4) Direction = 1; else Direction += 1;
} else Times += 1;
delay(10);
}
class Cell {
int X;
int Y;
int Width;
int Height;
float Hue;
float Saturation;
float Brightness;
Cell(color parC, int parX, int parY, int parWidth, int parHeight) {
Hue = hue(parC);
Saturation = saturation(parC);
Brightness = brightness(parC);
X = parX;
Y = parY;
Width = parWidth;
Height = parHeight;
}
Cell(float parHue, float parSaturation, float parBrightness, int parX, int parY, int parWidth, int parHeight) {
Hue = parHue;
Saturation = parSaturation;
Brightness = parBrightness;
X = parX;
Y = parY;
Width = parWidth;
Height = parHeight;
}
void Draw() {
if (Saturation > 250) if (Saturation > 500) stroke(color(Hue,0,Brightness)); else stroke(color(Hue,Saturation - (Saturation - 250) * 2,Brightness)); else stroke(color(Hue,Saturation,Brightness));
if (Saturation > 250) if (Saturation > 500) fill(color(Hue,0,Brightness)); else fill(color(Hue,Saturation - (Saturation - 250) * 2,Brightness)); else fill(color(Hue,Saturation,Brightness));
rect(X, Y, Width, Height);
}
}