本文整理汇总了Java中org.joml.Vector3f.normalize方法的典型用法代码示例。如果您正苦于以下问题：Java Vector3f.normalize方法的具体用法？Java Vector3f.normalize怎么用？Java Vector3f.normalize使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.joml.Vector3f的用法示例。
在下文中一共展示了Vector3f.normalize方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: subdivide
import org.joml.Vector3f; //导入方法依赖的package包/类
/**
* Subdivides each of the icospheres triangles into 4
* smaller triangles.
*
* @param iterations - Number of subdivisions.
*/
public void subdivide(int iterations) {
ArrayList<Vector3f> vertices = new ArrayList<>();
Map<Long, Integer> middlePointIndexCache = new HashMap<Long, Integer>();
for (int i = 0; i < sphere_positions.length; i+=3) {
vertices.add(new Vector3f(sphere_positions[i], sphere_positions[i + 1], sphere_positions[i + 2]));
}
for (Vector3f vec : vertices) {
vec.normalize();
}
for (int i = 0; i < iterations; i++) {
ArrayList<Vector3i> indices = new ArrayList<>();
for (int j = 0; j < sphere_indices.length; j+=3) {
indices.add(new Vector3i(sphere_indices[j], sphere_indices[j + 1], sphere_indices[j + 2]));
}
ArrayList<Vector3i> indices2 = new ArrayList<>();
for(Vector3i tri : indices) {
int a = midPoint(tri.x, tri.y, vertices, middlePointIndexCache);
int b = midPoint(tri.y, tri.z, vertices, middlePointIndexCache);
int c = midPoint(tri.z, tri.x, vertices, middlePointIndexCache);
Vector3i x0 = new Vector3i(tri.x, a, c);
Vector3i x1 = new Vector3i(tri.y, b, a);
Vector3i x2 = new Vector3i(tri.z, c, b);
Vector3i x3 = new Vector3i(a, b, c);
indices2.add(x0);
indices2.add(x1);
indices2.add(x2);
indices2.add(x3);
}
sphere_indices = new int[indices2.size()*3];
for (int j = 0, k = 0; j < sphere_indices.length; j+=3, k++) {
sphere_indices[j] = indices2.get(k).x;
sphere_indices[j + 1] = indices2.get(k).y;
sphere_indices[j + 2] = indices2.get(k).z;
}
sphere_positions = new float[vertices.size()*3];
for (int j = 0, k = 0; j < sphere_positions.length; j+=3, k++) {
sphere_positions[j] = vertices.get(k).x;
sphere_positions[j + 1] = vertices.get(k).y;
sphere_positions[j + 2] = vertices.get(k).z;
}
}
}
示例2: update
import org.joml.Vector3f; //导入方法依赖的package包/类
@Override
public void update(float interval, MouseInput mouseInput, Window window) {
if (mouseInput.isRightButtonPressed()) {
// Update camera based on mouse
Vector2f rotVec = mouseInput.getDisplVec();
camera.moveRotation(rotVec.x * MOUSE_SENSITIVITY, rotVec.y * MOUSE_SENSITIVITY, 0);
}
// Update camera position
Vector3f prevPos = new Vector3f(camera.getPosition());
camera.movePosition(cameraInc.x * CAMERA_POS_STEP, cameraInc.y * CAMERA_POS_STEP,
cameraInc.z * CAMERA_POS_STEP);
// Check if there has been a collision. If true, set the y position to
// the maximum height
float height = -Float.MAX_VALUE;
if (camera.getPosition().y <= height) {
camera.setPosition(prevPos.x, prevPos.y, prevPos.z);
}
lightAngle += angleInc;
if (lightAngle < 0) {
lightAngle = 0;
} else if (lightAngle > 180) {
lightAngle = 180;
}
float zValue = (float) Math.cos(Math.toRadians(lightAngle));
float yValue = (float) Math.sin(Math.toRadians(lightAngle));
Vector3f lightDirection = this.scene.getSceneLight().getDirectionalLight().getDirection();
lightDirection.x = 0;
lightDirection.y = yValue;
lightDirection.z = zValue;
lightDirection.normalize();
particleEmitter.update((long) (interval * 1000));
// Update view matrix
camera.updateViewMatrix();
// Update sound listener position;
soundMgr.updateListenerPosition(camera);
boolean aux = mouseInput.isLeftButtonPressed();
if (aux && !this.leftButtonPressed &&
this.selectDetector.selectGameItem(gameItems, window, mouseInput.getCurrentPos(), camera)) {
this.hud.incCounter();
}
this.leftButtonPressed = aux;
}
示例3: calcNormals
import org.joml.Vector3f; //导入方法依赖的package包/类
private float[] calcNormals(float[] posArr, int width, int height) {
Vector3f v0 = new Vector3f();
Vector3f v1 = new Vector3f();
Vector3f v2 = new Vector3f();
Vector3f v3 = new Vector3f();
Vector3f v4 = new Vector3f();
Vector3f v12 = new Vector3f();
Vector3f v23 = new Vector3f();
Vector3f v34 = new Vector3f();
Vector3f v41 = new Vector3f();
List<Float> normals = new ArrayList<>();
Vector3f normal = new Vector3f();
for (int row = 0; row < height; row++) {
for (int col = 0; col < width; col++) {
if (row > 0 && row < height - 1 && col > 0 && col < width - 1) {
int i0 = row * width * 3 + col * 3;
v0.x = posArr[i0];
v0.y = posArr[i0 + 1];
v0.z = posArr[i0 + 2];
int i1 = row * width * 3 + (col - 1) * 3;
v1.x = posArr[i1];
v1.y = posArr[i1 + 1];
v1.z = posArr[i1 + 2];
v1 = v1.sub(v0);
int i2 = (row + 1) * width * 3 + col * 3;
v2.x = posArr[i2];
v2.y = posArr[i2 + 1];
v2.z = posArr[i2 + 2];
v2 = v2.sub(v0);
int i3 = (row) * width * 3 + (col + 1) * 3;
v3.x = posArr[i3];
v3.y = posArr[i3 + 1];
v3.z = posArr[i3 + 2];
v3 = v3.sub(v0);
int i4 = (row - 1) * width * 3 + col * 3;
v4.x = posArr[i4];
v4.y = posArr[i4 + 1];
v4.z = posArr[i4 + 2];
v4 = v4.sub(v0);
v1.cross(v2, v12);
v12.normalize();
v2.cross(v3, v23);
v23.normalize();
v3.cross(v4, v34);
v34.normalize();
v4.cross(v1, v41);
v41.normalize();
normal = v12.add(v23).add(v34).add(v41);
normal.normalize();
} else {
normal.x = 0;
normal.y = 1;
normal.z = 0;
}
normal.normalize();
normals.add(normal.x);
normals.add(normal.y);
normals.add(normal.z);
}
}
return Utils.listToArray(normals);
}
示例4: calcNormals
import org.joml.Vector3f; //导入方法依赖的package包/类
private float[] calcNormals(float[] posArr, int width, int height) {
Vector3f v0 = new Vector3f();
Vector3f v1 = new Vector3f();
Vector3f v2 = new Vector3f();
Vector3f v3 = new Vector3f();
Vector3f v4 = new Vector3f();
Vector3f v12 = new Vector3f();
Vector3f v23 = new Vector3f();
Vector3f v34 = new Vector3f();
Vector3f v41 = new Vector3f();
List<Float> normals = new ArrayList<>();
Vector3f normal = new Vector3f();
for (int row = 0; row < height; row++) {
for (int col = 0; col < width; col++) {
if (row > 0 && row < height -1 && col > 0 && col < width -1) {
int i0 = row*width*3 + col*3;
v0.x = posArr[i0];
v0.y = posArr[i0 + 1];
v0.z = posArr[i0 + 2];
int i1 = row*width*3 + (col-1)*3;
v1.x = posArr[i1];
v1.y = posArr[i1 + 1];
v1.z = posArr[i1 + 2];
v1 = v1.sub(v0);
int i2 = (row+1)*width*3 + col*3;
v2.x = posArr[i2];
v2.y = posArr[i2 + 1];
v2.z = posArr[i2 + 2];
v2 = v2.sub(v0);
int i3 = (row)*width*3 + (col+1)*3;
v3.x = posArr[i3];
v3.y = posArr[i3 + 1];
v3.z = posArr[i3 + 2];
v3 = v3.sub(v0);
int i4 = (row-1)*width*3 + col*3;
v4.x = posArr[i4];
v4.y = posArr[i4 + 1];
v4.z = posArr[i4 + 2];
v4 = v4.sub(v0);
v1.cross(v2, v12);
v12.normalize();
v2.cross(v3, v23);
v23.normalize();
v3.cross(v4, v34);
v34.normalize();
v4.cross(v1, v41);
v41.normalize();
normal = v12.add(v23).add(v34).add(v41);
normal.normalize();
} else {
normal.x = 0;
normal.y = 1;
normal.z = 0;
}
normal.normalize();
normals.add(normal.x);
normals.add(normal.y);
normals.add(normal.z);
}
}
return Util.listToArray(normals);
}