GlobalTransform

GlobalTransform – Aspose.3D FOSS for Java

Notes

GlobalTransform 是一个只读的快照 Node的世界空间变换。它是通过 node.getGlobalTransform() 并反映节点自身的 Transform 与每个祖先的变换一直到场景根节点相结合。.

所有属性都是只读的。要更改节点的位置，请修改节点的本地 Transform 而不是。.

Notes: com.aspose.threed

import com.aspose.threed.GlobalTransform;

GlobalTransform 通常不会直接实例化；你会从 node.getGlobalTransform().

Notes

Class	Description
`GlobalTransform`	Read-only world-space transform snapshot. Exposes the composed translation, rotation, scale, and matrix of a node in world space.

Name	Type	Access	Description
`translation`	`Vector3`	Read	Returns the world-space translation (position) of the node.
`rotation`	`Vector3`	Read	Returns the world-space rotation (Euler angles) of the node.
`scale`	`Vector3`	Read	Returns the world-space scale of the node.
`transformMatrix`	`Matrix4`	Read	Returns the full 4x4 world-space transformation matrix.

Signature	Description
`getTranslation()` to `Vector3`	Returns the world-space translation of the node.
`getRotation()` to `Vector3`	Returns the world-space rotation of the node.
`getScale()` to `Vector3`	Returns the world-space scale of the node.
`getTransformMatrix()` to `Matrix4`	Returns the full 4x4 world-space transformation matrix.

Notes

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);

Notes

GlobalTransform 在此时计算 node.getGlobalTransform() 被访问时；它是不如果父节点的…则会动态更新 Transform 后续更改。.
getter 是 getScale() 开启 GlobalTransform (不 getScaling()) Transform 使用 getScaling() 用于可写的比例属性。.

GlobalTransform – Aspose.3D FOSS for Java

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