Example usage for com.badlogic.gdx.graphics Mesh updateVertices

Introduction

In this page you can find the example usage for com.badlogic.gdx.graphics Mesh updateVertices.

Prototype

public Mesh updateVertices(int targetOffset, float[] source) 

Source Link

Document

Update (a portion of) the vertices.

Usage

From source file:com.github.fauu.helix.editor.displayable.TilePermissionsGridDisplayable.java

License:Open Source License

public void updateTiles(HashMap<Integer, Tile> tilesWithIndices) {
    Mesh mesh = instance.model.meshes.first();

    // TODO: Get rid of magic numbers
    for (Map.Entry<Integer, Tile> tileWithIndex : tilesWithIndices.entrySet()) {
        int index = tileWithIndex.getKey();
        Tile tile = tileWithIndex.getValue();

        float[] vertices = new float[4 * 5];

        mesh.getVertices(index * 4 * 5, 4 * 5, vertices);

        TextureRegion region = atlas.findRegion(tile.getPermissions().name());

        float[] uv = new float[] { region.getU(), region.getV2(), region.getU2(), region.getV2(),
                region.getU2(), region.getV(), region.getU(), region.getV() };

        for (int i = 0; i < 4; i++) {
            vertices[i * 5 + 3] = uv[i * 2];
            vertices[i * 5 + 4] = uv[i * 2 + 1];
        }/*from  w  w w .  j  a  va2 s .c  om*/

        mesh.updateVertices(index * 4 * 5, vertices);
    }
}

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