Examples with FloatBuffer java.nio.FloatBuffer used on opensource projects

Example 91 with FloatBuffer

use of java.nio.FloatBuffer in project Rajawali by Rajawali.

the class BoundingBox method calculateBounds.

public void calculateBounds(Geometry3D geometry) {
    mMin.setAll(Double.MAX_VALUE, Double.MAX_VALUE, Double.MAX_VALUE);
    mMax.setAll(-Double.MAX_VALUE, -Double.MAX_VALUE, -Double.MAX_VALUE);
    FloatBuffer vertices = geometry.getVertices();
    if (vertices != null) {
        calculateMinMaxVertices(vertices, mMin, mMax);
        calculatePoints();
    }
}

Example 92 with FloatBuffer

use of java.nio.FloatBuffer in project Rajawali by Rajawali.

the class BoundingSphere method calculateBounds.

public void calculateBounds(Geometry3D geometry) {
    double radius = 0, maxRadius = 0;
    Vector3 vertex = new Vector3();
    FloatBuffer vertices = geometry.getVertices();
    vertices.rewind();
    while (vertices.hasRemaining()) {
        vertex.x = vertices.get();
        vertex.y = vertices.get();
        vertex.z = vertices.get();
        radius = vertex.length();
        if (radius > maxRadius)
            maxRadius = radius;
    }
    mRadius = maxRadius;
}

Example 93 with FloatBuffer

use of java.nio.FloatBuffer in project Rajawali by Rajawali.

the class DebugBoundingBox method updateBox.

private void updateBox(BoundingBox bb) {
    FloatBuffer b = mGeometry.getVertices();
    int index = 0;
    bb.copyPoints(mBBoxVertices);
    addVertexToBuffer(b, index++, mBBoxVertices[0]);
    addVertexToBuffer(b, index++, mBBoxVertices[1]);
    addVertexToBuffer(b, index++, mBBoxVertices[2]);
    addVertexToBuffer(b, index++, mBBoxVertices[3]);
    addVertexToBuffer(b, index++, mBBoxVertices[0]);
    addVertexToBuffer(b, index++, mBBoxVertices[4]);
    addVertexToBuffer(b, index++, mBBoxVertices[5]);
    addVertexToBuffer(b, index++, mBBoxVertices[1]);
    addVertexToBuffer(b, index++, mBBoxVertices[5]);
    addVertexToBuffer(b, index++, mBBoxVertices[6]);
    addVertexToBuffer(b, index++, mBBoxVertices[2]);
    addVertexToBuffer(b, index++, mBBoxVertices[6]);
    addVertexToBuffer(b, index++, mBBoxVertices[7]);
    addVertexToBuffer(b, index++, mBBoxVertices[3]);
    addVertexToBuffer(b, index++, mBBoxVertices[7]);
    addVertexToBuffer(b, index++, mBBoxVertices[4]);
    mGeometry.changeBufferData(mGeometry.getVertexBufferInfo(), mGeometry.getVertices(), 0);
}

Example 94 with FloatBuffer

use of java.nio.FloatBuffer in project Rajawali by Rajawali.

the class DebugCamera method updateFrustum.

public void updateFrustum() {
    mCamera.setProjectionMatrix(mRenderer.getOverrideViewportWidth(), mRenderer.getOverrideViewportHeight());
    if (mPoints == null) {
        if (!mCamera.isInitialized()) {
            return;
        }
        mPoints = new Stack<>();
        mFrustumCornersTransformed = new Vector3[8];
        for (int i = 0; i < 16; i++) {
            if (i < 8)
                mFrustumCornersTransformed[i] = new Vector3();
            mPoints.push(new Vector3());
        }
        init(true);
        getGeometry().changeBufferUsage(mGeometry.getVertexBufferInfo(), GLES20.GL_DYNAMIC_DRAW);
        setMaterial(mMaterial);
    }
    mCamera.getFrustumCorners(mFrustumCornersTransformed, true, true);
    FloatBuffer b = mGeometry.getVertices();
    int index = 0;
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[0]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[1]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[2]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[3]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[0]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[4]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[5]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[1]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[5]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[6]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[2]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[6]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[7]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[3]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[7]);
    addVertexToBuffer(b, index++, mFrustumCornersTransformed[4]);
    mGeometry.changeBufferData(mGeometry.getVertexBufferInfo(), mGeometry.getVertices(), 0);
}

Example 95 with FloatBuffer

use of java.nio.FloatBuffer in project android_frameworks_base by ParanoidAndroid.

the class GLLogWrapper method doArrayElement.

private void doArrayElement(StringBuilder builder, boolean enabled, String name, PointerInfo pointer, int index) {
    if (!enabled) {
        return;
    }
    builder.append(" ");
    builder.append(name + ":{");
    if (pointer == null || pointer.mTempByteBuffer == null) {
        builder.append("undefined }");
        return;
    }
    if (pointer.mStride < 0) {
        builder.append("invalid stride");
        return;
    }
    int stride = pointer.getStride();
    ByteBuffer byteBuffer = pointer.mTempByteBuffer;
    int size = pointer.mSize;
    int type = pointer.mType;
    int sizeofType = pointer.sizeof(type);
    int byteOffset = stride * index;
    for (int i = 0; i < size; i++) {
        if (i > 0) {
            builder.append(", ");
        }
        switch(type) {
            case GL_BYTE:
                {
                    byte d = byteBuffer.get(byteOffset);
                    builder.append(Integer.toString(d));
                }
                break;
            case GL_UNSIGNED_BYTE:
                {
                    byte d = byteBuffer.get(byteOffset);
                    builder.append(Integer.toString(0xff & d));
                }
                break;
            case GL_SHORT:
                {
                    ShortBuffer shortBuffer = byteBuffer.asShortBuffer();
                    short d = shortBuffer.get(byteOffset / 2);
                    builder.append(Integer.toString(d));
                }
                break;
            case GL_FIXED:
                {
                    IntBuffer intBuffer = byteBuffer.asIntBuffer();
                    int d = intBuffer.get(byteOffset / 4);
                    builder.append(Integer.toString(d));
                }
                break;
            case GL_FLOAT:
                {
                    FloatBuffer intBuffer = byteBuffer.asFloatBuffer();
                    float d = intBuffer.get(byteOffset / 4);
                    builder.append(Float.toString(d));
                }
                break;
            default:
                builder.append("?");
                break;
        }
        byteOffset += sizeofType;
    }
    builder.append("}");
}