Examples with Matrix4 com.badlogic.gdx.math.Matrix4 used on opensource projects

Example 21 with Matrix4

use of com.badlogic.gdx.math.Matrix4 in project libgdx by libgdx.

the class AtlasIssueTest method create.

public void create() {
    batch = new SpriteBatch();
    batch.setProjectionMatrix(new Matrix4().setToOrtho2D(0, 0, 855, 480));
    atlas = new TextureAtlas(Gdx.files.internal("data/issue_pack"), Gdx.files.internal("data/"));
    sprite = atlas.createSprite("map");
    font = new BitmapFont(Gdx.files.internal("data/font.fnt"), Gdx.files.internal("data/font.png"), false);
    Gdx.gl.glClearColor(0, 1, 0, 1);
}

Example 22 with Matrix4

use of com.badlogic.gdx.math.Matrix4 in project libgdx by libgdx.

the class Benchmark3DTest method onLoaded.

@Override
protected void onLoaded() {
    if (currentlyLoading == null || currentlyLoading.length() == 0)
        return;
    final ModelInstance instance = new ModelInstance(assets.get(currentlyLoading, Model.class));
    instance.transform = new Matrix4().idt();
    instance.transform.setToTranslation(MathUtils.random(-10, 10), MathUtils.random(-10, 10), MathUtils.random(-10, 10));
    instance.transform.rotate(Vector3.X, MathUtils.random(-180, 180));
    instance.transform.rotate(Vector3.Y, MathUtils.random(-180, 180));
    instance.transform.rotate(Vector3.Z, MathUtils.random(-180, 180));
    instances.add(instance);
}

Example 23 with Matrix4

use of com.badlogic.gdx.math.Matrix4 in project libgdx by libgdx.

the class Bullet method getShapeParts.

public static void getShapeParts(final Node node, final boolean applyTransform, final Array<ShapePart> out, final int offset, final Pool<ShapePart> pool) {
    final Matrix4 transform = applyTransform ? node.localTransform : idt;
    if (node.parts.size > 0) {
        ShapePart part = null;
        for (int i = offset, n = out.size; i < n; i++) {
            final ShapePart p = out.get(i);
            if (Arrays.equals(p.transform.val, transform.val)) {
                part = p;
                break;
            }
        }
        if (part == null) {
            part = pool.obtain();
            part.parts.clear();
            part.transform.set(transform);
            out.add(part);
        }
        for (int i = 0, n = node.parts.size; i < n; i++) part.parts.add(node.parts.get(i).meshPart);
    }
    if (node.hasChildren()) {
        final boolean transformed = applyTransform && !Arrays.equals(transform.val, idt.val);
        final int o = transformed ? out.size : offset;
        getShapeParts(node.getChildren(), out, o, pool);
        if (transformed) {
            for (int i = o, n = out.size; i < n; i++) {
                final ShapePart part = out.get(i);
                tmpM.set(part.transform);
                part.transform.set(transform).mul(tmpM);
            }
        }
    }
}

Example 24 with Matrix4

use of com.badlogic.gdx.math.Matrix4 in project libgdx by libgdx.

the class IsometricTiledMapRenderer method init.

private void init() {
    // create the isometric transform
    isoTransform = new Matrix4();
    isoTransform.idt();
    // isoTransform.translate(0, 32, 0);
    isoTransform.scale((float) (Math.sqrt(2.0) / 2.0), (float) (Math.sqrt(2.0) / 4.0), 1.0f);
    isoTransform.rotate(0.0f, 0.0f, 1.0f, -45);
    // ... and the inverse matrix
    invIsotransform = new Matrix4(isoTransform);
    invIsotransform.inv();
}

Example 25 with Matrix4

use of com.badlogic.gdx.math.Matrix4 in project libgdx by libgdx.

the class Stage method calculateScissors.

/** Calculates window scissor coordinates from local coordinates using the batch's current transformation matrix.
	 * @see ScissorStack#calculateScissors(Camera, float, float, float, float, Matrix4, Rectangle, Rectangle) */
public void calculateScissors(Rectangle localRect, Rectangle scissorRect) {
    viewport.calculateScissors(batch.getTransformMatrix(), localRect, scissorRect);
    Matrix4 transformMatrix;
    if (debugShapes != null && debugShapes.isDrawing())
        transformMatrix = debugShapes.getTransformMatrix();
    else
        transformMatrix = batch.getTransformMatrix();
    viewport.calculateScissors(transformMatrix, localRect, scissorRect);
}