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

Introduction

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

Prototype

public ShortBuffer getIndicesBuffer() 

Source Link

Usage

From source file:com.badlogic.gdx.physics.bullet.demo.simulationobjects.MeshSimulationObject.java

public static btBvhTriangleMeshShape createTriangleMeshShape(Mesh mesh,
        AtomicReference<btTriangleMesh> triangleMesh) {
    final btTriangleMesh m = new btTriangleMesh();

    final ShortBuffer indices = mesh.getIndicesBuffer();
    indices.rewind();//from   w  w  w. j a  va2 s .  co m
    final FloatBuffer vertices = mesh.getVerticesBuffer();
    vertices.rewind();

    // Some meshes have vertices but no indices declared
    final boolean hasIndices = mesh.getNumIndices() != 0;
    final int vertexStride = mesh.getVertexSize() / 4;

    final Vector3 v0 = Pools.VECTOR3.obtain();
    final Vector3 v1 = Pools.VECTOR3.obtain();
    final Vector3 v2 = Pools.VECTOR3.obtain();

    // Set up a small array to keep the loop code simpler
    final Vector3[] vectors = new Vector3[] { v0, v1, v2 };
    short vectorIndex = 0;

    int i = -1;
    int verticesRead = 0;
    while (verticesRead < mesh.getNumVertices()) {
        if (hasIndices) {
            i = indices.get();
        } else {
            i++;
        }

        vectors[vectorIndex++].set(vertices.get(i * vertexStride), vertices.get(i * vertexStride + 1),
                vertices.get(i * vertexStride + 2));

        if (vectorIndex == vectors.length) {
            m.addTriangle(v0, v1, v2, true);
            vectorIndex = 0;
        }

        verticesRead++;
    }

    Pools.VECTOR3.free(v0);
    Pools.VECTOR3.free(v1);
    Pools.VECTOR3.free(v2);

    triangleMesh.set(m);
    return new btBvhTriangleMeshShape(m, true);
}

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From source file:com.doom.render.QuadBatch.java

License:Apache License

@Override
public void flush() {
    if (idx == 0)
        return;/*from w  w w.  ja v a2 s .  com*/

    renderCalls++;
    totalRenderCalls++;
    int spritesInBatch = idx / 20;
    if (spritesInBatch > maxSpritesInBatch)
        maxSpritesInBatch = spritesInBatch;
    int count = spritesInBatch * 6;

    lastTexture.bind();
    Mesh mesh = this.mesh;
    mesh.setVertices(vertices, 0, idx);
    mesh.getIndicesBuffer().position(0);
    mesh.getIndicesBuffer().limit(count);

    if (blendingDisabled) {
        Gdx.gl.glDisable(GL20.GL_BLEND);
    } else {
        Gdx.gl.glEnable(GL20.GL_BLEND);
        if (blendSrcFunc != -1)
            Gdx.gl.glBlendFunc(blendSrcFunc, blendDstFunc);
    }

    mesh.render(customShader != null ? customShader : shader, GL20.GL_TRIANGLES, 0, count);

    idx = 0;
}

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From source file:graphics.widgets.WidgetsPass.java

License:Open Source License

public void flush() {
    if (idx == 0 || lastTexture == null)
        return;/*from  ww  w.  ja va  2s .  com*/
    int spritesInBatch = idx / 20;
    int count = spritesInBatch * 6;

    lastTexture.bind(0);
    Mesh mesh = this.mesh;
    mesh.setVertices(vertices, 0, idx);
    mesh.getIndicesBuffer().position(0);
    mesh.getIndicesBuffer().limit(count);

    if (blendingDisabled) {
        Gdx.gl.glDisable(GL20.GL_BLEND);
    } else {
        Gdx.gl.glEnable(GL20.GL_BLEND);
        if (blendSrcFunc != -1)
            Gdx.gl.glBlendFunc(blendSrcFunc, blendDstFunc);
    }

    mesh.render(shader, GL20.GL_TRIANGLES, 0, count);
    idx = 0;
}

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From source file:mobi.shad.s3lib.gfx.g3d.simpleobject.DebugObject.java

License:Apache License

public static void debugMesh(Mesh mesh) {

    int numVertices = mesh.getNumVertices();
    int numIndices = mesh.getNumIndices();
    ShortBuffer indicesBuffer = mesh.getIndicesBuffer();
    FloatBuffer verticesBuffer = mesh.getVerticesBuffer();

    S3Log.log("debugMesh", "NumVertices: " + numVertices);
    S3Log.log("debugMesh", "NumIndices: " + numIndices);
    S3Log.log("debugMesh", "vertexSize (bytes): " + mesh.getVertexSize());

    S3Log.log("debugMesh", "Indices Buffer:", 1);
    StringBuilder buffer = new StringBuilder(32);
    buffer.append('[');
    buffer.append(indicesBuffer.get(0));
    for (int i = 1; i < numIndices; i++) {
        buffer.append(", ");
        buffer.append(indicesBuffer.get(i));
    }/*from w ww .j  a  va 2s  .  com*/
    buffer.append(']');
    S3Log.log("debugMesh", buffer.toString());

    S3Log.log("debugMesh", "Vertices Buffer:", 1);
    StringBuilder buffer2 = new StringBuilder(32);
    buffer2.append('[');
    buffer2.append(verticesBuffer.get(0));
    for (int i = 1; i < numIndices; i++) {
        buffer2.append(", ");
        buffer2.append(verticesBuffer.get(i));
    }
    buffer.append(']');
    S3Log.log("debugMesh", buffer2.toString());
}

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From source file:org.interreg.docexplore.reader.gfx.GfxUtils.java

License:Open Source License

public static Mesh buildQuad(float x1, float y1, float s1, float t1, float x2, float y2, float s2, float t2) {
    Mesh mesh = new Mesh(false, 4, 6, new VertexAttribute(VertexAttributes.Usage.Position, 3, "p"),
            new VertexAttribute(VertexAttributes.Usage.TextureCoordinates, 2, "tc"));
    FloatBuffer vertexBuffer = mesh.getVerticesBuffer();
    vertexBuffer.limit(vertexBuffer.capacity());
    vertexBuffer.put(x1).put(y1).put(0).put(s1).put(t1).put(x2).put(y1).put(0).put(s2).put(t1).put(x2).put(y2)
            .put(0).put(s2).put(t2).put(x1).put(y2).put(0).put(s1).put(t2).flip();

    ShortBuffer indexBuffer = mesh.getIndicesBuffer();
    indexBuffer.limit(indexBuffer.capacity());
    indexBuffer.put(new short[] { 0, 1, 2, 0, 2, 3 }).flip();
    return mesh;/*from  www .ja  va 2  s .c  o m*/
}

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