本文整理了Java中com.badlogic.gdx.math.Quaternion.idt方法的一些代码示例，展示了Quaternion.idt的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Quaternion.idt方法的具体详情如下：
包路径：com.badlogic.gdx.math.Quaternion
类名称：Quaternion
方法名：idt

Quaternion.idt介绍

[英]Sets the quaternion to an identity Quaternion
[中]将四元数设置为标识四元数

代码示例

代码示例来源：origin: libgdx/libgdx

public Quaternion () {
  idt();
}

代码示例来源：origin: libgdx/libgdx

public Quaternion () {
  idt();
}

代码示例来源：origin: libgdx/libgdx

public Transform idt () {
  translation.set(0, 0, 0);
  rotation.idt();
  scale.set(1, 1, 1);
  return this;
}

代码示例来源：origin: libgdx/libgdx

public Transform idt () {
  translation.set(0, 0, 0);
  rotation.idt();
  scale.set(1, 1, 1);
  return this;
}

代码示例来源：origin: libgdx/libgdx

/** Sets the quaternion components from the given axis and angle around that axis.
 * @param x X direction of the axis
 * @param y Y direction of the axis
 * @param z Z direction of the axis
 * @param radians The angle in radians
 * @return This quaternion for chaining. */
public Quaternion setFromAxisRad (final float x, final float y, final float z, final float radians) {
  float d = Vector3.len(x, y, z);
  if (d == 0f) return idt();
  d = 1f / d;
  float l_ang = radians < 0 ? MathUtils.PI2 - (-radians % MathUtils.PI2) : radians % MathUtils.PI2;
  float l_sin = (float)Math.sin(l_ang / 2);
  float l_cos = (float)Math.cos(l_ang / 2);
  return this.set(d * x * l_sin, d * y * l_sin, d * z * l_sin, l_cos).nor();
}

代码示例来源：origin: libgdx/libgdx

/** Sets the quaternion components from the given axis and angle around that axis.
 * @param x X direction of the axis
 * @param y Y direction of the axis
 * @param z Z direction of the axis
 * @param radians The angle in radians
 * @return This quaternion for chaining. */
public Quaternion setFromAxisRad (final float x, final float y, final float z, final float radians) {
  float d = Vector3.len(x, y, z);
  if (d == 0f) return idt();
  d = 1f / d;
  float l_ang = radians < 0 ? MathUtils.PI2 - (-radians % MathUtils.PI2) : radians % MathUtils.PI2;
  float l_sin = (float)Math.sin(l_ang / 2);
  float l_cos = (float)Math.cos(l_ang / 2);
  return this.set(d * x * l_sin, d * y * l_sin, d * z * l_sin, l_cos).nor();
}

代码示例来源：origin: libgdx/libgdx

private void doneLoading () {
  Model model = assets.get("data/g3d/invaders.g3dj", Model.class);
  for (int i = 0; i < model.nodes.size; i++) {
    String id = model.nodes.get(i).id;
    ModelInstance instance = new ModelInstance(model, id);
    Node node = instance.getNode(id);
    instance.transform.set(node.globalTransform);
    node.translation.set(0, 0, 0);
    node.scale.set(1, 1, 1);
    node.rotation.idt();
    instance.calculateTransforms();
    if (id.equals("space")) {
      space = instance;
      continue;
    }
    instances.add(instance);
    if (id.equals("ship"))
      ship = instance;
    else if (id.startsWith("block"))
      blocks.add(instance);
    else if (id.startsWith("invader")) invaders.add(instance);
  }
  loading = false;
}

代码示例来源：origin: libgdx/libgdx

/** @param model The source {@link Model}
 * @param transform The {@link Matrix4} instance for this ModelInstance to reference or null to create a new matrix.
 * @param nodeId The ID of the {@link Node} within the {@link Model} for the instance to contain
 * @param recursive True to recursively search the Model's node tree, false to only search for a root node
 * @param parentTransform True to apply the parent's node transform to the instance (only applicable if recursive is true).
 * @param mergeTransform True to apply the source node transform to the instance transform, resetting the node transform. */
public ModelInstance (final Model model, final Matrix4 transform, final String nodeId, boolean recursive,
  boolean parentTransform, boolean mergeTransform, boolean shareKeyframes) {
  this.model = model;
  this.transform = transform == null ? new Matrix4() : transform;
  Node copy, node = model.getNode(nodeId, recursive);
  this.nodes.add(copy = node.copy());
  if (mergeTransform) {
    this.transform.mul(parentTransform ? node.globalTransform : node.localTransform);
    copy.translation.set(0, 0, 0);
    copy.rotation.idt();
    copy.scale.set(1, 1, 1);
  } else if (parentTransform && copy.hasParent()) this.transform.mul(node.getParent().globalTransform);
  invalidate();
  copyAnimations(model.animations, shareKeyframes);
  calculateTransforms();
}

代码示例来源：origin: libgdx/libgdx

/** @param model The source {@link Model}
 * @param transform The {@link Matrix4} instance for this ModelInstance to reference or null to create a new matrix.
 * @param nodeId The ID of the {@link Node} within the {@link Model} for the instance to contain
 * @param recursive True to recursively search the Model's node tree, false to only search for a root node
 * @param parentTransform True to apply the parent's node transform to the instance (only applicable if recursive is true).
 * @param mergeTransform True to apply the source node transform to the instance transform, resetting the node transform. */
public ModelInstance (final Model model, final Matrix4 transform, final String nodeId, boolean recursive,
  boolean parentTransform, boolean mergeTransform, boolean shareKeyframes) {
  this.model = model;
  this.transform = transform == null ? new Matrix4() : transform;
  Node copy, node = model.getNode(nodeId, recursive);
  this.nodes.add(copy = node.copy());
  if (mergeTransform) {
    this.transform.mul(parentTransform ? node.globalTransform : node.localTransform);
    copy.translation.set(0, 0, 0);
    copy.rotation.idt();
    copy.scale.set(1, 1, 1);
  } else if (parentTransform && copy.hasParent()) this.transform.mul(node.getParent().globalTransform);
  invalidate();
  copyAnimations(model.animations, shareKeyframes);
  calculateTransforms();
}

代码示例来源：origin: com.badlogicgames.gdx/gdx

public Quaternion () {
  idt();
}

代码示例来源：origin: com.harium.etyl/etyl-gdx-util

public Quaternion () {
  idt();
}

代码示例来源：origin: com.badlogicgames.gdx/gdx

public Transform idt () {
  translation.set(0, 0, 0);
  rotation.idt();
  scale.set(1, 1, 1);
  return this;
}

代码示例来源：origin: mbrlabs/Mundus

public void setGlobalSpace(boolean global) {
  this.globalSpace = global;
  xHandle.getRotation().idt();
  xHandle.applyTransform();
  yHandle.getRotation().idt();
  yHandle.applyTransform();
  zHandle.getRotation().idt();
  zHandle.applyTransform();
}

代码示例来源：origin: com.badlogicgames.gdx/gdx

/** Sets the quaternion components from the given axis and angle around that axis.
 * @param x X direction of the axis
 * @param y Y direction of the axis
 * @param z Z direction of the axis
 * @param radians The angle in radians
 * @return This quaternion for chaining. */
public Quaternion setFromAxisRad (final float x, final float y, final float z, final float radians) {
  float d = Vector3.len(x, y, z);
  if (d == 0f) return idt();
  d = 1f / d;
  float l_ang = radians < 0 ? MathUtils.PI2 - (-radians % MathUtils.PI2) : radians % MathUtils.PI2;
  float l_sin = (float)Math.sin(l_ang / 2);
  float l_cos = (float)Math.cos(l_ang / 2);
  return this.set(d * x * l_sin, d * y * l_sin, d * z * l_sin, l_cos).nor();
}

代码示例来源：origin: com.harium.etyl/etyl-gdx-util

/** Sets the quaternion components from the given axis and angle around that axis.
 * @param x X direction of the axis
 * @param y Y direction of the axis
 * @param z Z direction of the axis
 * @param radians The angle in radians
 * @return This quaternion for chaining. */
public Quaternion setFromAxisRad (final float x, final float y, final float z, final float radians) {
  float d = Vector3.len(x, y, z);
  if (d == 0f) return idt();
  d = 1f / d;
  float l_ang = radians < 0 ? MathUtils.PI2 - (-radians % MathUtils.PI2) : radians % MathUtils.PI2;
  float l_sin = (float)Math.sin(l_ang / 2);
  float l_cos = (float)Math.cos(l_ang / 2);
  return this.set(d * x * l_sin, d * y * l_sin, d * z * l_sin, l_cos).nor();
}

代码示例来源：origin: com.badlogicgames.gdx/gdx

/** @param model The source {@link Model}
 * @param transform The {@link Matrix4} instance for this ModelInstance to reference or null to create a new matrix.
 * @param nodeId The ID of the {@link Node} within the {@link Model} for the instance to contain
 * @param recursive True to recursively search the Model's node tree, false to only search for a root node
 * @param parentTransform True to apply the parent's node transform to the instance (only applicable if recursive is true).
 * @param mergeTransform True to apply the source node transform to the instance transform, resetting the node transform. */
public ModelInstance (final Model model, final Matrix4 transform, final String nodeId, boolean recursive,
  boolean parentTransform, boolean mergeTransform, boolean shareKeyframes) {
  this.model = model;
  this.transform = transform == null ? new Matrix4() : transform;
  Node copy, node = model.getNode(nodeId, recursive);
  this.nodes.add(copy = node.copy());
  if (mergeTransform) {
    this.transform.mul(parentTransform ? node.globalTransform : node.localTransform);
    copy.translation.set(0, 0, 0);
    copy.rotation.idt();
    copy.scale.set(1, 1, 1);
  } else if (parentTransform && copy.hasParent()) this.transform.mul(node.getParent().globalTransform);
  invalidate();
  copyAnimations(model.animations, shareKeyframes);
  calculateTransforms();
}