Example usage for java.nio FloatBuffer rewind

List of usage examples for java.nio FloatBuffer rewind

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Introduction

In this page you can find the example usage for java.nio FloatBuffer rewind.

Prototype

public final Buffer rewind()

Source Link

Document

Rewinds this buffer.

Usage

From source file:org.shaman.terrain.polygonal.PolygonalMapGenerator.java

private void updateGraphNode() {
    if (graphNode == null) {
        return;//  w  w  w.  j  av a  2s .  c om
    }

    //edges
    Mesh edgeMesh = new Mesh();
    FloatBuffer pos = BufferUtils.createVector3Buffer(graph.corners.size());
    IntBuffer index = BufferUtils.createIntBuffer(graph.edges.size() * 2);
    pos.rewind();
    for (Graph.Corner c : graph.corners) {
        pos.put(c.point.x).put(c.point.y).put(0);
    }
    pos.rewind();
    index.rewind();
    for (Graph.Edge e : graph.edges) {
        index.put(e.v0.index).put(e.v1.index);
    }
    index.rewind();
    edgeMesh.setBuffer(VertexBuffer.Type.Position, 3, pos);
    edgeMesh.setBuffer(VertexBuffer.Type.Index, 1, index);
    edgeMesh.setMode(Mesh.Mode.Lines);
    edgeMesh.setLineWidth(1);
    edgeMesh.updateCounts();
    edgeMesh.updateBound();
    Material mat = new Material(app.getAssetManager(), "Common/MatDefs/Misc/Unshaded.j3md");
    mat.setColor("Color", ColorRGBA.Gray);
    Geometry edgeGeom = new Geometry("edgeGeom", edgeMesh);
    edgeGeom.setMaterial(mat);
    edgeGeom.setCullHint(Spatial.CullHint.Never);
    edgeNode.detachAllChildren();
    edgeNode.attachChild(edgeGeom);
    LOG.info("edge geometry updated");
}