Example usage for com.badlogic.gdx.graphics GL20 GL_TRIANGLES

List of usage examples for com.badlogic.gdx.graphics GL20 GL_TRIANGLES

Introduction

In this page you can find the example usage for com.badlogic.gdx.graphics GL20 GL_TRIANGLES.

Prototype

int GL_TRIANGLES

To view the source code for com.badlogic.gdx.graphics GL20 GL_TRIANGLES.

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Usage

From source file:com.badlogic.gdx.tests.gles2.SimpleVertexShader.java

License:Apache License

@Override
public void render() {
    angle += Gdx.graphics.getDeltaTime() * 40.0f;
    float aspect = Gdx.graphics.getWidth() / (float) Gdx.graphics.getHeight();
    projection.setToProjection(1.0f, 20.0f, 60.0f, aspect);
    view.idt().trn(0, 0, -2.0f);//w ww.  j a v a  2  s.c  om
    model.setToRotation(axis, angle);
    combined.set(projection).mul(view).mul(model);

    Gdx.gl20.glViewport(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
    Gdx.gl20.glClear(GL20.GL_COLOR_BUFFER_BIT);
    shader.begin();
    shader.setUniformMatrix("u_mvpMatrix", combined);
    mesh.render(shader, GL20.GL_TRIANGLES);
    shader.end();

    Gdx.app.log("angle", "" + angle);
}

From source file:com.badlogic.invaders.simulation.Simulation.java

License:Apache License

private void populate() {
    ObjLoader objLoader = new ObjLoader();
    shipModel = objLoader.loadModel(Gdx.files.internal("data/ship.obj"));
    invaderModel = objLoader.loadModel(Gdx.files.internal("data/invader.obj"));
    blockModel = objLoader.loadModel(Gdx.files.internal("data/block.obj"));
    shotModel = objLoader.loadModel(Gdx.files.internal("data/shot.obj"));

    final Texture shipTexture = new Texture(Gdx.files.internal("data/ship.png"), Format.RGB565, true);
    shipTexture.setFilter(TextureFilter.MipMap, TextureFilter.Linear);
    final Texture invaderTexture = new Texture(Gdx.files.internal("data/invader.png"), Format.RGB565, true);
    invaderTexture.setFilter(TextureFilter.MipMap, TextureFilter.Linear);
    shipModel.materials.get(0).set(TextureAttribute.createDiffuse(shipTexture));
    invaderModel.materials.get(0).set(TextureAttribute.createDiffuse(invaderTexture));

    ((ColorAttribute) blockModel.materials.get(0).get(ColorAttribute.Diffuse)).color.set(0, 0, 1, 0.5f);
    blockModel.materials.get(0).set(new BlendingAttribute(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA));

    shotModel.materials.get(0).set(ColorAttribute.createDiffuse(1, 1, 0, 1f));

    final Texture explosionTexture = new Texture(Gdx.files.internal("data/explode.png"), Format.RGBA4444, true);
    explosionTexture.setFilter(TextureFilter.MipMap, TextureFilter.Linear);

    final Mesh explosionMesh = new Mesh(true, 4 * 16, 6 * 16,
            new VertexAttribute(Usage.Position, 3, "a_position"),
            new VertexAttribute(Usage.TextureCoordinates, 2, "a_texCoord0"));

    float[] vertices = new float[4 * 16 * (3 + 2)];
    short[] indices = new short[6 * 16];
    int idx = 0;/*ww w.  j a v  a  2  s .com*/
    int index = 0;
    for (int row = 0; row < 4; row++) {
        for (int column = 0; column < 4; column++) {
            vertices[idx++] = 1;
            vertices[idx++] = 1;
            vertices[idx++] = 0;
            vertices[idx++] = 0.25f + column * 0.25f;
            vertices[idx++] = 0 + row * 0.25f;

            vertices[idx++] = -1;
            vertices[idx++] = 1;
            vertices[idx++] = 0;
            vertices[idx++] = 0 + column * 0.25f;
            vertices[idx++] = 0 + row * 0.25f;

            vertices[idx++] = -1;
            vertices[idx++] = -1;
            vertices[idx++] = 0;
            vertices[idx++] = 0f + column * 0.25f;
            vertices[idx++] = 0.25f + row * 0.25f;

            vertices[idx++] = 1;
            vertices[idx++] = -1;
            vertices[idx++] = 0;
            vertices[idx++] = 0.25f + column * 0.25f;
            vertices[idx++] = 0.25f + row * 0.25f;

            final int t = (4 * row + column) * 4;
            indices[index++] = (short) (t);
            indices[index++] = (short) (t + 1);
            indices[index++] = (short) (t + 2);
            indices[index++] = (short) (t);
            indices[index++] = (short) (t + 2);
            indices[index++] = (short) (t + 3);
        }
    }

    explosionMesh.setVertices(vertices);
    explosionMesh.setIndices(indices);

    explosionModel = ModelBuilder.createFromMesh(explosionMesh, GL20.GL_TRIANGLES,
            new Material(new BlendingAttribute(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA),
                    TextureAttribute.createDiffuse(explosionTexture)));

    ship = new Ship(shipModel);
    ship.transform.rotate(0, 1, 0, 180);

    for (int row = 0; row < 4; row++) {
        for (int column = 0; column < 8; column++) {
            Invader invader = new Invader(invaderModel, -PLAYFIELD_MAX_X / 2 + column * 2f, 0,
                    PLAYFIELD_MIN_Z + row * 2f);
            invaders.add(invader);
        }
    }

    for (int shield = 0; shield < 3; shield++) {
        blocks.add(new Block(blockModel, -10 + shield * 10 - 1, 0, -2));
        blocks.add(new Block(blockModel, -10 + shield * 10 - 1, 0, -3));
        blocks.add(new Block(blockModel, -10 + shield * 10 + 0, 0, -3));
        blocks.add(new Block(blockModel, -10 + shield * 10 + 1, 0, -3));
        blocks.add(new Block(blockModel, -10 + shield * 10 + 1, 0, -2));
    }
}

From source file:com.bladecoder.engine.util.Utils3D.java

License:Apache License

public static void createFloor() {

    ModelBuilder modelBuilder = new ModelBuilder();
    modelBuilder.begin();/*www .j  a v a  2 s . c o  m*/
    MeshPartBuilder mpb = modelBuilder.part("parts", GL20.GL_TRIANGLES,
            Usage.Position | Usage.Normal | Usage.ColorUnpacked,
            new Material(ColorAttribute.createDiffuse(Color.WHITE)));
    mpb.setColor(1f, 1f, 1f, 1f);
    //      mpb.box(0, -0.1f, 0, 10, .2f, 10);
    mpb.rect(-10, 0, -10, -10, 0, 10, 10, 0, 10, 10, 0, -10, 0, 1, 0);
    floorModel = modelBuilder.end();
    floorInstance = new ModelInstance(floorModel);

    // TODO Set only when FBO is active
    floorInstance.materials.get(0).set(new BlendingAttribute(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA));
}

From source file:com.dgzt.core.shape.ArcShape.java

License:Open Source License

/**
 * The constructor.// w  w  w .j  a  v  a 2s  . c  om
 * 
 * @param shader - The shader.
 * @param startDegrees - The start degrees.
 * @param degreesNum - The number of degrees.
 * @param color - The color.
 */
public ArcShape(final ShaderProgram shader, final int startDegrees, final int degreesNum, final Color color) {
    super(shader, GL20.GL_TRIANGLES, degreesNum * 2, getIndices(degreesNum), color);
    this.startDegrees = startDegrees;
    this.degreesNum = degreesNum;
}

From source file:com.dgzt.core.shape.LineShape.java

License:Open Source License

/**
 * The constructor.//w w  w. j ava 2 s .  co m
 * 
 * @param shader - The shader.
 * @param color - The color.
 */
public LineShape(final ShaderProgram shader, final Color color) {
    super(shader, GL20.GL_TRIANGLES, VERTICES_NUM, new short[] { 0, 1, 2, 2, 3, 1 }, color);
}

From source file:com.dgzt.core.shape.RectangleShape.java

License:Open Source License

/**
 * Constructor.//from w w  w.  j a  va  2s . co  m
 * 
 * @param shader - The shader.
 * @param color - The color.
 */
public RectangleShape(final ShaderProgram shader, final Color color) {
    super(shader, GL20.GL_TRIANGLES, VERTICES_NUM, new short[] { 0, 1, 2, 2, 3, 0 }, color);
}

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

License:Apache License

@Override
public void flush() {
    if (idx == 0)
        return;/*  w w w. j  a  v  a 2 s  .c  o m*/

    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;
}

From source file:com.esotericsoftware.spine.utils.TwoColorPolygonBatch.java

License:Open Source License

@Override
public void flush() {
    if (vertexIndex == 0)
        return;// ww w.  ja v  a 2  s . com

    totalRenderCalls++;

    lastTexture.bind();
    Mesh mesh = this.mesh;
    mesh.setVertices(vertices, 0, vertexIndex);
    mesh.setIndices(triangles, 0, triangleIndex);
    Gdx.gl.glEnable(GL20.GL_BLEND);
    if (blendSrcFunc != -1)
        Gdx.gl.glBlendFuncSeparate(blendSrcFunc, blendDstFunc, blendSrcFuncAlpha, blendDstFuncAlpha);
    mesh.render(shader, GL20.GL_TRIANGLES, 0, triangleIndex);

    vertexIndex = 0;
    triangleIndex = 0;
}

From source file:com.github.fauu.helix.core.MapRegion.java

License:Open Source License

public void create(Vector2 size, Tile[] tiles, Array<Object> objects, TextureAtlas textureAtlas,
        GeometrySet geometrySet) {//from  w  w  w. j av a2  s .  c o  m
    this.size = size;
    this.textureAtlas = textureAtlas;
    this.geometrySet = geometrySet;
    this.objects = objects;

    if (tiles != null) {
        this.tiles = tiles;
    } else {
        final int tilesLength = (int) (size.x * size.y);

        tiles = new Tile[tilesLength];
        for (int i = 0; i < tilesLength; i++) {
            final Tile.Builder tileBuilder = new Tile.Builder();
            final int tileX = i % (int) size.x;
            final int tileY = (int) Math.floor(i / (tilesLength / size.y));

            tiles[i] = tileBuilder.setNo(i).setPosition(new Vector2(tileX, tileY)).setElevation(0)
                    .setTextureId(0).setGeometryId(0).setFacing(Direction.SOUTH).build();
        }
    }

    this.tiles = tiles;

    mesh = new MapRegionMesh(tiles, geometrySet, textureAtlas);

    renderable = new Renderable();
    renderable.mesh = mesh;
    renderable.material = new Material(new ColorAttribute(ColorAttribute.Diffuse, Color.WHITE),
            new TextureAttribute(TextureAttribute.Diffuse, textureAtlas.getTextures().first()));
    renderable.meshPartOffset = 0;
    renderable.meshPartSize = mesh.getNumVertices();
    renderable.primitiveType = GL20.GL_TRIANGLES;
    renderable.worldTransform.idt();
}

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

License:Open Source License

public TileHighlightDisplayable() {
    ModelBuilder modelBuilder = new ModelBuilder();

    Model model = modelBuilder.createRect(0, 0, Z_OFFSET, 1, 0, Z_OFFSET, 1, 1, Z_OFFSET, 0, 1, Z_OFFSET, 0, 0,
            1, GL20.GL_TRIANGLES,
            new Material(new ColorAttribute(ColorAttribute.createDiffuse(color)),
                    new BlendingAttribute(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA)),
            VertexAttributes.Usage.Position | VertexAttributes.Usage.TextureCoordinates);

    instance = new ModelInstance(model);
}