Java Code Examples for org.joml.Vector3f#set()

The following examples show how to use org.joml.Vector3f#set() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ShadowCascade.java    From lwjglbook with Apache License 2.0 5 votes vote down vote up 
public void update(Window window, Matrix4f viewMatrix, DirectionalLight light) {
    // Build projection view matrix for this cascade
    float aspectRatio = (float) window.getWidth() / (float) window.getHeight();
    projViewMatrix.setPerspective(Window.FOV, aspectRatio, zNear, zFar);
    projViewMatrix.mul(viewMatrix);

    // Calculate frustum corners in world space
    float maxZ = Float.MIN_VALUE;
    float minZ = Float.MAX_VALUE;
    for (int i = 0; i < FRUSTUM_CORNERS; i++) {
        Vector3f corner = frustumCorners[i];
        corner.set(0, 0, 0);
        projViewMatrix.frustumCorner(i, corner);
        centroid.add(corner);
        centroid.div(8.0f);
        minZ = Math.min(minZ, corner.z);
        maxZ = Math.max(maxZ, corner.z);
    }

    // Go back from the centroid up to max.z - min.z in the direction of light
    Vector3f lightDirection = light.getDirection();
    Vector3f lightPosInc = new Vector3f().set(lightDirection);
    float distance = maxZ - minZ;
    lightPosInc.mul(distance);
    Vector3f lightPosition = new Vector3f();
    lightPosition.set(centroid);
    lightPosition.add(lightPosInc);

    updateLightViewMatrix(lightDirection, lightPosition);

    updateLightProjectionMatrix();
}
Example 2
Source File: ShadowCascade.java    From lwjglbook with Apache License 2.0 5 votes vote down vote up 
public void update(Window window, Matrix4f viewMatrix, DirectionalLight light) {
    // Build projection view matrix for this cascade
    float aspectRatio = (float) window.getWidth() / (float) window.getHeight();
    projViewMatrix.setPerspective(Window.FOV, aspectRatio, zNear, zFar);
    projViewMatrix.mul(viewMatrix);

    // Calculate frustum corners in world space
    float maxZ = Float.MIN_VALUE;
    float minZ = Float.MAX_VALUE;
    for (int i = 0; i < FRUSTUM_CORNERS; i++) {
        Vector3f corner = frustumCorners[i];
        corner.set(0, 0, 0);
        projViewMatrix.frustumCorner(i, corner);
        centroid.add(corner);
        centroid.div(8.0f);
        minZ = Math.min(minZ, corner.z);
        maxZ = Math.max(maxZ, corner.z);
    }

    // Go back from the centroid up to max.z - min.z in the direction of light
    Vector3f lightDirection = light.getDirection();
    Vector3f lightPosInc = new Vector3f().set(lightDirection);
    float distance = maxZ - minZ;
    lightPosInc.mul(distance);
    Vector3f lightPosition = new Vector3f();
    lightPosition.set(centroid);
    lightPosition.add(lightPosInc);

    updateLightViewMatrix(lightDirection, lightPosition);

    updateLightProjectionMatrix();
}
Example 3
Source File: ShadowCascade.java    From lwjglbook with Apache License 2.0 5 votes vote down vote up 
public void update(Window window, Matrix4f viewMatrix, DirectionalLight light) {
    // Build projection view matrix for this cascade
    float aspectRatio = (float) window.getWidth() / (float) window.getHeight();
    projViewMatrix.setPerspective(Window.FOV, aspectRatio, zNear, zFar);
    projViewMatrix.mul(viewMatrix);

    // Calculate frustum corners in world space
    float maxZ = Float.MIN_VALUE;
    float minZ = Float.MAX_VALUE;
    for (int i = 0; i < FRUSTUM_CORNERS; i++) {
        Vector3f corner = frustumCorners[i];
        corner.set(0, 0, 0);
        projViewMatrix.frustumCorner(i, corner);
        centroid.add(corner);
        centroid.div(8.0f);
        minZ = Math.min(minZ, corner.z);
        maxZ = Math.max(maxZ, corner.z);
    }

    // Go back from the centroid up to max.z - min.z in the direction of light
    Vector3f lightDirection = light.getDirection();
    Vector3f lightPosInc = new Vector3f().set(lightDirection);
    float distance = maxZ - minZ;
    lightPosInc.mul(distance);
    Vector3f lightPosition = new Vector3f();
    lightPosition.set(centroid);
    lightPosition.add(lightPosInc);

    updateLightViewMatrix(lightDirection, lightPosition);

    updateLightProjectionMatrix();
}
Example 4
Source File: ShadowCascade.java    From lwjglbook with Apache License 2.0 5 votes vote down vote up 
public void update(Window window, Matrix4f viewMatrix, DirectionalLight light) {
    // Build projection view matrix for this cascade
    float aspectRatio = (float) window.getWidth() / (float) window.getHeight();
    projViewMatrix.setPerspective(Window.FOV, aspectRatio, zNear, zFar);
    projViewMatrix.mul(viewMatrix);

    // Calculate frustum corners in world space
    float maxZ = Float.MIN_VALUE;
    float minZ = Float.MAX_VALUE;
    for (int i = 0; i < FRUSTUM_CORNERS; i++) {
        Vector3f corner = frustumCorners[i];
        corner.set(0, 0, 0);
        projViewMatrix.frustumCorner(i, corner);
        centroid.add(corner);
        centroid.div(8.0f);
        minZ = Math.min(minZ, corner.z);
        maxZ = Math.max(maxZ, corner.z);
    }

    // Go back from the centroid up to max.z - min.z in the direction of light
    Vector3f lightDirection = light.getDirection();
    Vector3f lightPosInc = new Vector3f().set(lightDirection);
    float distance = maxZ - minZ;
    lightPosInc.mul(distance);
    Vector3f lightPosition = new Vector3f();
    lightPosition.set(centroid);
    lightPosition.add(lightPosInc);

    updateLightViewMatrix(lightDirection, lightPosition);

    updateLightProjectionMatrix();
}
Example 5
Source File: Rotate3f.java    From imagej-ops with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
@Override
public void compute(final Vector3f v, final Quaternionfc q,
	final Vector3f vDot)
{
	vDot.set(v);
	vDot.rotate(q);
}