/**
* Returns a random unit Quaternion.
*
* <p>You can create a randomly directed unit vector using:
*
* <p>{@code PVector randomDir = new PVector(1.0f, 0.0f, 0.0f);} <br>
* {@code randomDir = Quaternion.multiply(Quaternion.randomQuaternion(), randomDir);}
*/
public static final Quaternion randomQuaternion() {
float seed = (float) Math.random();
float r1 = PApplet.sqrt(1.0f - seed);
float r2 = PApplet.sqrt(seed);
float t1 = 2.0f * PI * (float) Math.random();
float t2 = 2.0f * PI * (float) Math.random();
return new Quaternion(
PApplet.sin(t1) * r1, PApplet.cos(t1) * r1, PApplet.sin(t2) * r2, PApplet.cos(t2) * r2);
}
public boolean launchVirtualMachine(boolean presenting) {
String[] vmParams = getMachineParams();
String[] sketchParams = getSketchParams(presenting);
int port = 8000 + (int) (Math.random() * 1000);
String portStr = String.valueOf(port);
// Older (Java 1.5 and earlier) version, go figure
// String jdwpArg = "-Xrunjdwp:transport=dt_socket,address=" + portStr +
// ",server=y,suspend=y";
// String debugArg = "-Xdebug";
// Newer (Java 1.5+) version that uses JVMTI
String jdwpArg =
"-agentlib:jdwp=transport=dt_socket,address=" + portStr + ",server=y,suspend=y";
// Everyone works the same under Java 7 (also on OS X)
String[] commandArgs = new String[] {Base.getJavaPath(), jdwpArg};
/*
String[] commandArgs = null;
if (!Base.isMacOS()) {
commandArgs = new String[] {
Base.getJavaPath(),
jdwpArg
};
} else {
// Decided to just set this to 1.6 only, because otherwise it's gonna
// be a shitshow if folks are getting Apple's 1.6 with 32-bit and
// Oracle's 1.7 when run in 64-bit mode. ("Why does my sketch suck in
// 64-bit? Why is retina broken?)
// The --request flag will prompt to install Apple's 1.6 JVM if none is
// available. We're specifying 1.6 so that we can get support for both
// 32- and 64-bit, because Oracle won't be releasing Java 1.7 in 32-bit.
// Helpfully, the --request flag is not present on Mac OS X 10.6
// (luckily it is also not needed, because 1.6 is installed by default)
// but it requires an additional workaround to not use that flag,
// otherwise will see an error about an unsupported option. The flag is
// available with 10.7 and 10.8, the only other supported versions of
// OS X at this point, because we require 10.6.8 and higher. That also
// means we don't need to check for any other OS versions, the user is
// a douchebag and modifies Info.plist to get around the restriction.
if (false) {
if (System.getProperty("os.version").startsWith("10.6")) {
commandArgs = new String[] {
"/usr/libexec/java_home",
"--version", "1.6",
"--exec", "java",
"-d" + Base.getNativeBits(),
jdwpArg
};
} else { // for 10.7, 10.8, etc
commandArgs = new String[] {
"/usr/libexec/java_home",
"--request", // install on-demand
"--version", "1.6",
"--exec", "java",
"-d" + Base.getNativeBits(),
// debugArg,
jdwpArg
};
}
} else {
// testing jdk-7u40
commandArgs = new String[] {
//"/Library/Java/JavaVirtualMachines/jdk1.7.0_40.jdk/Contents/Home/bin/java",
Base.getJavaPath(),
jdwpArg
};
}
}
*/
commandArgs = PApplet.concat(commandArgs, vmParams);
commandArgs = PApplet.concat(commandArgs, sketchParams);
// PApplet.println(commandArgs);
// commandArg.setValue(commandArgs);
launchJava(commandArgs);
AttachingConnector connector = (AttachingConnector) findConnector("com.sun.jdi.SocketAttach");
// PApplet.println(connector); // gets the defaults
Map arguments = connector.defaultArguments();
// Connector.Argument addressArg =
// (Connector.Argument)arguments.get("address");
// addressArg.setValue(addr);
Connector.Argument portArg = (Connector.Argument) arguments.get("port");
portArg.setValue(portStr);
// Connector.Argument timeoutArg =
// (Connector.Argument)arguments.get("timeout");
// timeoutArg.setValue("10000");
// PApplet.println(connector); // prints the current
// com.sun.tools.jdi.AbstractLauncher al;
// com.sun.tools.jdi.RawCommandLineLauncher rcll;
// System.out.println(PApplet.javaVersion);
// http://java.sun.com/j2se/1.5.0/docs/guide/jpda/conninv.html#sunlaunch
try {
// boolean available = false;
// while (!available) {
while (true) {
try {
vm = connector.attach(arguments);
// vm = connector.attach(arguments);
if (vm != null) {
// generateTrace();
// available = true;
return true;
}
} catch (IOException e) {
// System.out.println("waiting");
// e.printStackTrace();
try {
Thread.sleep(100);
} catch (InterruptedException e1) {
e1.printStackTrace();
}
}
}
// } catch (IOException exc) {
// throw new Error("Unable to launch target VM: " + exc);
} catch (IllegalConnectorArgumentsException exc) {
throw new Error("Internal error: " + exc);
}
}
public boolean launchVirtualMachine(boolean presenting) {
String[] vmParams = getMachineParams();
String[] sketchParams = getSketchParams(presenting);
// PApplet.printArray(sketchParams);
int port = 8000 + (int) (Math.random() * 1000);
String portStr = String.valueOf(port);
// Older (Java 1.5 and earlier) version, go figure
// String jdwpArg = "-Xrunjdwp:transport=dt_socket,address=" + portStr +
// ",server=y,suspend=y";
// String debugArg = "-Xdebug";
// Newer (Java 1.5+) version that uses JVMTI
String jdwpArg =
"-agentlib:jdwp=transport=dt_socket,address=" + portStr + ",server=y,suspend=y";
// Everyone works the same under Java 7 (also on OS X)
String[] commandArgs = new String[] {Base.getJavaPath(), jdwpArg};
commandArgs = PApplet.concat(commandArgs, vmParams);
commandArgs = PApplet.concat(commandArgs, sketchParams);
// PApplet.println(commandArgs);
// commandArg.setValue(commandArgs);
launchJava(commandArgs);
AttachingConnector connector = (AttachingConnector) findConnector("com.sun.jdi.SocketAttach");
// PApplet.println(connector); // gets the defaults
Map<String, Argument> arguments = connector.defaultArguments();
// Connector.Argument addressArg =
// (Connector.Argument)arguments.get("address");
// addressArg.setValue(addr);
Connector.Argument portArg = arguments.get("port");
portArg.setValue(portStr);
// Connector.Argument timeoutArg =
// (Connector.Argument)arguments.get("timeout");
// timeoutArg.setValue("10000");
// PApplet.println(connector); // prints the current
// com.sun.tools.jdi.AbstractLauncher al;
// com.sun.tools.jdi.RawCommandLineLauncher rcll;
// System.out.println(PApplet.javaVersion);
// http://java.sun.com/j2se/1.5.0/docs/guide/jpda/conninv.html#sunlaunch
try {
// boolean available = false;
// while (!available) {
while (true) {
try {
vm = connector.attach(arguments);
// vm = connector.attach(arguments);
if (vm != null) {
// generateTrace();
// available = true;
return true;
}
} catch (IOException e) {
// System.out.println("waiting");
// e.printStackTrace();
try {
Thread.sleep(100);
} catch (InterruptedException e1) {
e1.printStackTrace(sketchErr);
}
}
}
// } catch (IOException exc) {
// throw new Error("Unable to launch target VM: " + exc);
} catch (IllegalConnectorArgumentsException exc) {
throw new Error("Internal error: " + exc);
}
}