Examples with Camera com.jme3.renderer.Camera used on opensource projects

Example 51 with Camera

use of com.jme3.renderer.Camera in project jmonkeyengine by jMonkeyEngine.

the class BillboardControl method controlRender.

@Override
protected void controlRender(RenderManager rm, ViewPort vp) {
    Camera cam = vp.getCamera();
    rotateBillboard(cam);
}

Example 52 with Camera

use of com.jme3.renderer.Camera in project jmonkeyengine by jMonkeyEngine.

the class CameraControl method read.

@Override
public void read(JmeImporter im) throws IOException {
    super.read(im);
    InputCapsule ic = im.getCapsule(this);
    controlDir = ic.readEnum(CONTROL_DIR_NAME, ControlDirection.class, ControlDirection.SpatialToCamera);
    camera = (Camera) ic.readSavable(CAMERA_NAME, null);
}

Example 53 with Camera

use of com.jme3.renderer.Camera in project jmonkeyengine by jMonkeyEngine.

the class CameraControl method controlUpdate.

// fields used, when inversing ControlDirection:
@Override
protected void controlUpdate(float tpf) {
    if (spatial != null && camera != null) {
        switch(controlDir) {
            case SpatialToCamera:
                camera.setLocation(spatial.getWorldTranslation());
                camera.setRotation(spatial.getWorldRotation());
                break;
            case CameraToSpatial:
                // set the localtransform, so that the worldtransform would be equal to the camera's transform.
                // Location:
                TempVars vars = TempVars.get();
                Vector3f vecDiff = vars.vect1.set(camera.getLocation()).subtractLocal(spatial.getWorldTranslation());
                spatial.setLocalTranslation(vecDiff.addLocal(spatial.getLocalTranslation()));
                // Rotation:
                Quaternion worldDiff = vars.quat1.set(camera.getRotation()).subtractLocal(spatial.getWorldRotation());
                spatial.setLocalRotation(worldDiff.addLocal(spatial.getLocalRotation()));
                vars.release();
                break;
        }
    }
}

Example 54 with Camera

use of com.jme3.renderer.Camera in project jmonkeyengine by jMonkeyEngine.

the class CameraControl method write.

@Override
public void write(JmeExporter ex) throws IOException {
    super.write(ex);
    OutputCapsule oc = ex.getCapsule(this);
    oc.write(controlDir, CONTROL_DIR_NAME, ControlDirection.SpatialToCamera);
    oc.write(camera, CAMERA_NAME, null);
}

Example 55 with Camera

use of com.jme3.renderer.Camera in project jmonkeyengine by jMonkeyEngine.

the class LodControl method controlRender.

protected void controlRender(RenderManager rm, ViewPort vp) {
    BoundingVolume bv = spatial.getWorldBound();
    Camera cam = vp.getCamera();
    float atanNH = FastMath.atan(cam.getFrustumNear() * cam.getFrustumTop());
    float ratio = (FastMath.PI / (8f * atanNH));
    float newDistance = bv.distanceTo(vp.getCamera().getLocation()) / ratio;
    int level;
    if (Math.abs(newDistance - lastDistance) <= distTolerance) {
        // we haven't moved relative to the model, send the old measurement back.
        level = lastLevel;
    } else if (lastDistance > newDistance && lastLevel == 0) {
        // we're already at the lowest setting and we just got closer to the model, no need to keep trying.
        level = lastLevel;
    } else if (lastDistance < newDistance && lastLevel == numLevels - 1) {
        // we're already at the highest setting and we just got further from the model, no need to keep trying.
        level = lastLevel;
    } else {
        lastDistance = newDistance;
        // estimate area of polygon via bounding volume
        float area = AreaUtils.calcScreenArea(bv, lastDistance, cam.getWidth());
        float trisToDraw = area * trisPerPixel;
        level = numLevels - 1;
        for (int i = numLevels; --i >= 0; ) {
            if (trisToDraw - numTris[i] < 0) {
                break;
            }
            level = i;
        }
        lastLevel = level;
    }
    spatial.setLodLevel(level);
}