Aspose.3D FOSS
Java
GlobalTransform

GlobalTransform

Methods

GlobalTransform er en kun lesbar øyeblikksbilde av en Node’s world-space transformasjon. Den oppnås via node.getGlobalTransform() og reflekterer sammensetningen av nodens egen Transform med hver forelderens transformasjon opp til scenens rot.

Alle egenskaper er kun lesbare. For å endre en nodes posisjon, endre nodeens lokale Transform i stedet.

Methods: com.aspose.threed

import com.aspose.threed.GlobalTransform;

GlobalTransform er ikke vanligvis instansiert direkte; du mottar den fra node.getGlobalTransform().

Methods

NameTypeAccessDescription
translationVector3ReadGets the translation.
scaleVector3ReadGets the scale.
eulerAnglesVector3ReadGets the rotation represented in Euler angles, measured in degree.
rotationQuaternionReadGets the rotation represented in quaternion.
transformMatrixMatrix4ReadGets the transform matrix.
SignatureDescription
GlobalTransform()Initializes a new instance of the GlobalTransform class.
GlobalTransform(matrix: Matrix4)Initializes a new instance of the GlobalTransform class with the specified matrix.
getTranslation() → Vector3Gets the translation.
getScale() → Vector3Gets the scale.
getEulerAngles() → Vector3Gets the rotation represented in Euler angles, measured in degree.
getRotation() → QuaternionGets the rotation represented in quaternion.
getTransformMatrix() → Matrix4Gets the transform matrix.

Methods 

import com.aspose.threed.Scene;
import com.aspose.threed.Node;
import com.aspose.threed.GlobalTransform;
import com.aspose.threed.*;


Scene scene = new Scene();

// Create a parent node at (10, 0, 0)
Node parent = scene.getRootNode().createChildNode("parent");
parent.getTransform().setTranslation(new Vector3(10.0, 0.0, 0.0));

// Create a child node at (5, 0, 0) relative to parent
Node child = parent.createChildNode("child");
child.getTransform().setTranslation(new Vector3(5.0, 0.0, 0.0));

// Read world-space position
GlobalTransform gt = child.getGlobalTransform();
System.out.println(gt.getTranslation());          // Vector3(15.0, 0.0, 0.0)
System.out.println(gt.getScale());                 // Vector3(1.0, 1.0, 1.0)

// Access the 4x4 matrix directly
Matrix4 mat = gt.getTransformMatrix();
System.out.println(mat.m03);   // 15.0 -- world-space X translation

// Euler angles in degrees
Vector3 angles = gt.getEulerAngles();
System.out.println(Math.toDegrees(angles.x));   // 0.0 (no rotation)

// Using evaluateGlobalTransform to include geometric offset
Matrix4 manualMat = child.evaluateGlobalTransform(true);

Methods

  • GlobalTransform beregnes på tidspunktet node.getGlobalTransform() hentes; den er ikke oppdatert dynamisk hvis en overordnet nodes Transform senere endringer.
  • Getteren er getScale() på GlobalTransform (ikke getScaling()). Den lokale Transform bruker getScaling() for den skrivbare skalaegenskapen.

Se også

 Norsk