Java Code Examples for com.jme3.util.BufferUtils#createVector3Buffer()

The following examples show how to use com.jme3.util.BufferUtils#createVector3Buffer() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: StripBox.java    From jmonkeyengine with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
@Override
protected void doUpdateGeometryVertices() {
    FloatBuffer fpb = BufferUtils.createVector3Buffer(8 * 3);
    Vector3f[] v = computeVertices();
    fpb.put(new float[] {
            v[0].x, v[0].y, v[0].z, 
            v[1].x, v[1].y, v[1].z, 
            v[2].x, v[2].y, v[2].z, 
            v[3].x, v[3].y, v[3].z,
            v[4].x, v[4].y, v[4].z, 
            v[5].x, v[5].y, v[5].z, 
            v[6].x, v[6].y, v[6].z, 
            v[7].x, v[7].y, v[7].z, 
    });
    setBuffer(Type.Position, 3, fpb);
    setMode(Mode.TriangleStrip);
    updateBound();
}
Example 2
Source File: StripBox.java    From MikuMikuStudio with BSD 2-Clause "Simplified" License 6 votes vote down vote up 
protected void duUpdateGeometryVertices() {
    FloatBuffer fpb = BufferUtils.createVector3Buffer(8 * 3);
    Vector3f[] v = computeVertices();
    fpb.put(new float[] {
            v[0].x, v[0].y, v[0].z, 
            v[1].x, v[1].y, v[1].z, 
            v[2].x, v[2].y, v[2].z, 
            v[3].x, v[3].y, v[3].z,
            v[4].x, v[4].y, v[4].z, 
            v[5].x, v[5].y, v[5].z, 
            v[6].x, v[6].y, v[6].z, 
            v[7].x, v[7].y, v[7].z, 
    });
    setBuffer(Type.Position, 3, fpb);
    setMode(Mode.TriangleStrip);
    updateBound();
}
Example 3
Source File: Box.java    From jmonkeyengine with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
@Override
protected void doUpdateGeometryVertices() {
    FloatBuffer fpb = BufferUtils.createVector3Buffer(24);
    Vector3f[] v = computeVertices();
    fpb.put(new float[] {
            v[0].x, v[0].y, v[0].z, v[1].x, v[1].y, v[1].z, v[2].x, v[2].y, v[2].z, v[3].x, v[3].y, v[3].z, // back
            v[1].x, v[1].y, v[1].z, v[4].x, v[4].y, v[4].z, v[6].x, v[6].y, v[6].z, v[2].x, v[2].y, v[2].z, // right
            v[4].x, v[4].y, v[4].z, v[5].x, v[5].y, v[5].z, v[7].x, v[7].y, v[7].z, v[6].x, v[6].y, v[6].z, // front
            v[5].x, v[5].y, v[5].z, v[0].x, v[0].y, v[0].z, v[3].x, v[3].y, v[3].z, v[7].x, v[7].y, v[7].z, // left
            v[2].x, v[2].y, v[2].z, v[6].x, v[6].y, v[6].z, v[7].x, v[7].y, v[7].z, v[3].x, v[3].y, v[3].z, // top
            v[0].x, v[0].y, v[0].z, v[5].x, v[5].y, v[5].z, v[4].x, v[4].y, v[4].z, v[1].x, v[1].y, v[1].z  // bottom
    });
    setBuffer(Type.Position, 3, fpb);
    updateBound();
}
Example 4
Source File: Box.java    From MikuMikuStudio with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
protected void duUpdateGeometryVertices() {
    FloatBuffer fpb = BufferUtils.createVector3Buffer(24);
    Vector3f[] v = computeVertices();
    fpb.put(new float[] {
            v[0].x, v[0].y, v[0].z, v[1].x, v[1].y, v[1].z, v[2].x, v[2].y, v[2].z, v[3].x, v[3].y, v[3].z, // back
            v[1].x, v[1].y, v[1].z, v[4].x, v[4].y, v[4].z, v[6].x, v[6].y, v[6].z, v[2].x, v[2].y, v[2].z, // right
            v[4].x, v[4].y, v[4].z, v[5].x, v[5].y, v[5].z, v[7].x, v[7].y, v[7].z, v[6].x, v[6].y, v[6].z, // front
            v[5].x, v[5].y, v[5].z, v[0].x, v[0].y, v[0].z, v[3].x, v[3].y, v[3].z, v[7].x, v[7].y, v[7].z, // left
            v[2].x, v[2].y, v[2].z, v[6].x, v[6].y, v[6].z, v[7].x, v[7].y, v[7].z, v[3].x, v[3].y, v[3].z, // top
            v[0].x, v[0].y, v[0].z, v[5].x, v[5].y, v[5].z, v[4].x, v[4].y, v[4].z, v[1].x, v[1].y, v[1].z  // bottom
    });
    setBuffer(Type.Position, 3, fpb);
    updateBound();
}
Example 5
Source File: Torus.java    From jmonkeyengine with BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up 
private void setGeometryData() {
    // allocate vertices
    int vertCount = (circleSamples + 1) * (radialSamples + 1);
    FloatBuffer fpb = BufferUtils.createVector3Buffer(vertCount);
    setBuffer(Type.Position, 3, fpb);

    // allocate normals if requested
    FloatBuffer fnb = BufferUtils.createVector3Buffer(vertCount);
    setBuffer(Type.Normal, 3, fnb);

    // allocate texture coordinates
    FloatBuffer ftb = BufferUtils.createVector2Buffer(vertCount);
    setBuffer(Type.TexCoord, 2, ftb);

    // generate geometry
    float inverseCircleSamples = 1.0f / circleSamples;
    float inverseRadialSamples = 1.0f / radialSamples;
    int i = 0;
    // generate the cylinder itself
    Vector3f radialAxis = new Vector3f(), torusMiddle = new Vector3f(), tempNormal = new Vector3f();
    for (int circleCount = 0; circleCount < circleSamples; circleCount++) {
        // compute center point on torus circle at specified angle
        float circleFraction = circleCount * inverseCircleSamples;
        float theta = FastMath.TWO_PI * circleFraction;
        float cosTheta = FastMath.cos(theta);
        float sinTheta = FastMath.sin(theta);
        radialAxis.set(cosTheta, sinTheta, 0);
        radialAxis.mult(outerRadius, torusMiddle);

        // compute slice vertices with duplication at end point
        int iSave = i;
        for (int radialCount = 0; radialCount < radialSamples; radialCount++) {
            float radialFraction = radialCount * inverseRadialSamples;
            // in [0,1)
            float phi = FastMath.TWO_PI * radialFraction;
            float cosPhi = FastMath.cos(phi);
            float sinPhi = FastMath.sin(phi);
            tempNormal.set(radialAxis).multLocal(cosPhi);
            tempNormal.z += sinPhi;
            fnb.put(tempNormal.x).put(tempNormal.y).put(
                    tempNormal.z);
   
            tempNormal.multLocal(innerRadius).addLocal(torusMiddle);
            fpb.put(tempNormal.x).put(tempNormal.y).put(
                    tempNormal.z);

            ftb.put(radialFraction).put(circleFraction);
            i++;
        }

        BufferUtils.copyInternalVector3(fpb, iSave, i);
        BufferUtils.copyInternalVector3(fnb, iSave, i);

        ftb.put(1.0f).put(circleFraction);

        i++;
    }

    // duplicate the cylinder ends to form a torus
    for (int iR = 0; iR <= radialSamples; iR++, i++) {
        BufferUtils.copyInternalVector3(fpb, iR, i);
        BufferUtils.copyInternalVector3(fnb, iR, i);
        BufferUtils.copyInternalVector2(ftb, iR, i);
        ftb.put(i * 2 + 1, 1.0f);
    }
}
Example 6
Source File: BoundingSphereDebug.java    From jmonkeyengine with BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up 
/**
 * builds the vertices based on the radius
 */
private void setGeometryData() {
    setMode(Mode.Lines);

    FloatBuffer posBuf = BufferUtils.createVector3Buffer((radialSamples + 1) * 3);
    FloatBuffer colBuf = BufferUtils.createVector3Buffer((radialSamples + 1) * 4);

    setBuffer(Type.Position, 3, posBuf);
    setBuffer(Type.Color, 4, colBuf);

    // generate geometry
    float fInvRS = 1.0f / radialSamples;

    // Generate points on the unit circle to be used in computing the mesh
    // points on a sphere slice.
    float[] afSin = new float[(radialSamples + 1)];
    float[] afCos = new float[(radialSamples + 1)];
    for (int iR = 0; iR < radialSamples; iR++) {
        float fAngle = FastMath.TWO_PI * fInvRS * iR;
        afCos[iR] = FastMath.cos(fAngle);
        afSin[iR] = FastMath.sin(fAngle);
    }
    afSin[radialSamples] = afSin[0];
    afCos[radialSamples] = afCos[0];

    for (int iR = 0; iR <= radialSamples; iR++) {
        posBuf.put(afCos[iR])
                .put(afSin[iR])
                .put(0);
        colBuf.put(ColorRGBA.Blue.r)
                .put(ColorRGBA.Blue.g)
                .put(ColorRGBA.Blue.b)
                .put(ColorRGBA.Blue.a);

    }
    for (int iR = 0; iR <= radialSamples; iR++) {
        posBuf.put(afCos[iR])
                .put(0)
                .put(afSin[iR]);
        colBuf.put(ColorRGBA.Green.r)
                .put(ColorRGBA.Green.g)
                .put(ColorRGBA.Green.b)
                .put(ColorRGBA.Green.a);
    }
    for (int iR = 0; iR <= radialSamples; iR++) {
        posBuf.put(0)
                .put(afCos[iR])
                .put(afSin[iR]);
        colBuf.put(ColorRGBA.Yellow.r)
                .put(ColorRGBA.Yellow.g)
                .put(ColorRGBA.Yellow.b)
                .put(ColorRGBA.Yellow.a);
    }

    updateBound();
    setStatic();
}
Example 7
Source File: ParticlePointMesh.java    From jmonkeyengine with BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up 
@Override
public void initParticleData(ParticleEmitter emitter, int numParticles) {
    setMode(Mode.Points);

    this.emitter = emitter;

    // set positions
    FloatBuffer pb = BufferUtils.createVector3Buffer(numParticles);
    
    //if the buffer is already set only update the data
    VertexBuffer buf = getBuffer(VertexBuffer.Type.Position);
    if (buf != null) {
        buf.updateData(pb);
    } else {
        VertexBuffer pvb = new VertexBuffer(VertexBuffer.Type.Position);
        pvb.setupData(Usage.Stream, 3, Format.Float, pb);
        setBuffer(pvb);
    }

    // set colors
    ByteBuffer cb = BufferUtils.createByteBuffer(numParticles * 4);
    
    buf = getBuffer(VertexBuffer.Type.Color);
    if (buf != null) {
        buf.updateData(cb);
    } else {
        VertexBuffer cvb = new VertexBuffer(VertexBuffer.Type.Color);
        cvb.setupData(Usage.Stream, 4, Format.UnsignedByte, cb);
        cvb.setNormalized(true);
        setBuffer(cvb);
    }

    // set sizes
    FloatBuffer sb = BufferUtils.createFloatBuffer(numParticles);
    
    buf = getBuffer(VertexBuffer.Type.Size);
    if (buf != null) {
        buf.updateData(sb);
    } else {
        VertexBuffer svb = new VertexBuffer(VertexBuffer.Type.Size);
        svb.setupData(Usage.Stream, 1, Format.Float, sb);
        setBuffer(svb);
    }

    // set UV-scale
    FloatBuffer tb = BufferUtils.createFloatBuffer(numParticles*4);
    
    buf = getBuffer(VertexBuffer.Type.TexCoord);
    if (buf != null) {
        buf.updateData(tb);
    } else {
        VertexBuffer tvb = new VertexBuffer(VertexBuffer.Type.TexCoord);
        tvb.setupData(Usage.Stream, 4, Format.Float, tb);
        setBuffer(tvb);
    }
    
    updateCounts();
}
Example 8
Source File: ParticleTriMesh.java    From jmonkeyengine with BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up 
@Override
    public void initParticleData(ParticleEmitter emitter, int numParticles) {
        setMode(Mode.Triangles);

        this.emitter = emitter;

//        particlesCopy = new Particle[numParticles];

        // set positions
        FloatBuffer pb = BufferUtils.createVector3Buffer(numParticles * 4);
        // if the buffer is already set only update the data
        VertexBuffer buf = getBuffer(VertexBuffer.Type.Position);
        if (buf != null) {
            buf.updateData(pb);
        } else {
            VertexBuffer pvb = new VertexBuffer(VertexBuffer.Type.Position);
            pvb.setupData(Usage.Stream, 3, Format.Float, pb);
            setBuffer(pvb);
        }
        
        // set colors
        ByteBuffer cb = BufferUtils.createByteBuffer(numParticles * 4 * 4);
        buf = getBuffer(VertexBuffer.Type.Color);
        if (buf != null) {
            buf.updateData(cb);
        } else {
            VertexBuffer cvb = new VertexBuffer(VertexBuffer.Type.Color);
            cvb.setupData(Usage.Stream, 4, Format.UnsignedByte, cb);
            cvb.setNormalized(true);
            setBuffer(cvb);
        }

        // set texcoords
        FloatBuffer tb = BufferUtils.createVector2Buffer(numParticles * 4);
        uniqueTexCoords = false;
        for (int i = 0; i < numParticles; i++){
            tb.put(0f).put(1f);
            tb.put(1f).put(1f);
            tb.put(0f).put(0f);
            tb.put(1f).put(0f);
        }
        tb.flip();
        
        buf = getBuffer(VertexBuffer.Type.TexCoord);
        if (buf != null) {
            buf.updateData(tb);
        } else {
            VertexBuffer tvb = new VertexBuffer(VertexBuffer.Type.TexCoord);
            tvb.setupData(Usage.Static, 2, Format.Float, tb);
            setBuffer(tvb);
        }

        // set indices
        ShortBuffer ib = BufferUtils.createShortBuffer(numParticles * 6);
        for (int i = 0; i < numParticles; i++){
            int startIdx = (i * 4);

            // triangle 1
            ib.put((short)(startIdx + 1))
              .put((short)(startIdx + 0))
              .put((short)(startIdx + 2));

            // triangle 2
            ib.put((short)(startIdx + 1))
              .put((short)(startIdx + 2))
              .put((short)(startIdx + 3));
        }
        ib.flip();

        buf = getBuffer(VertexBuffer.Type.Index);
        if (buf != null) {
            buf.updateData(ib);
        } else {
            VertexBuffer ivb = new VertexBuffer(VertexBuffer.Type.Index);
            ivb.setupData(Usage.Static, 3, Format.UnsignedShort, ib);
            setBuffer(ivb);
        }
        
        updateCounts();
    }
Example 9
Source File: Torus.java    From MikuMikuStudio with BSD 2-Clause "Simplified" License 4 votes vote down vote up 
private void setGeometryData() {
    // allocate vertices
    int vertCount = (circleSamples + 1) * (radialSamples + 1);
    FloatBuffer fpb = BufferUtils.createVector3Buffer(vertCount);
    setBuffer(Type.Position, 3, fpb);

    // allocate normals if requested
    FloatBuffer fnb = BufferUtils.createVector3Buffer(vertCount);
    setBuffer(Type.Normal, 3, fnb);

    // allocate texture coordinates
    FloatBuffer ftb = BufferUtils.createVector2Buffer(vertCount);
    setBuffer(Type.TexCoord, 2, ftb);

    // generate geometry
    float inverseCircleSamples = 1.0f / circleSamples;
    float inverseRadialSamples = 1.0f / radialSamples;
    int i = 0;
    // generate the cylinder itself
    Vector3f radialAxis = new Vector3f(), torusMiddle = new Vector3f(), tempNormal = new Vector3f();
    for (int circleCount = 0; circleCount < circleSamples; circleCount++) {
        // compute center point on torus circle at specified angle
        float circleFraction = circleCount * inverseCircleSamples;
        float theta = FastMath.TWO_PI * circleFraction;
        float cosTheta = FastMath.cos(theta);
        float sinTheta = FastMath.sin(theta);
        radialAxis.set(cosTheta, sinTheta, 0);
        radialAxis.mult(outerRadius, torusMiddle);

        // compute slice vertices with duplication at end point
        int iSave = i;
        for (int radialCount = 0; radialCount < radialSamples; radialCount++) {
            float radialFraction = radialCount * inverseRadialSamples;
            // in [0,1)
            float phi = FastMath.TWO_PI * radialFraction;
            float cosPhi = FastMath.cos(phi);
            float sinPhi = FastMath.sin(phi);
            tempNormal.set(radialAxis).multLocal(cosPhi);
            tempNormal.z += sinPhi;
            fnb.put(tempNormal.x).put(tempNormal.y).put(
                    tempNormal.z);
   
            tempNormal.multLocal(innerRadius).addLocal(torusMiddle);
            fpb.put(tempNormal.x).put(tempNormal.y).put(
                    tempNormal.z);

            ftb.put(radialFraction).put(circleFraction);
            i++;
        }

        BufferUtils.copyInternalVector3(fpb, iSave, i);
        BufferUtils.copyInternalVector3(fnb, iSave, i);

        ftb.put(1.0f).put(circleFraction);

        i++;
    }

    // duplicate the cylinder ends to form a torus
    for (int iR = 0; iR <= radialSamples; iR++, i++) {
        BufferUtils.copyInternalVector3(fpb, iR, i);
        BufferUtils.copyInternalVector3(fnb, iR, i);
        BufferUtils.copyInternalVector2(ftb, iR, i);
        ftb.put(i * 2 + 1, 1.0f);
    }
}
Example 10
Source File: ParticlePointMesh.java    From MikuMikuStudio with BSD 2-Clause "Simplified" License 4 votes vote down vote up 
@Override
public void initParticleData(ParticleEmitter emitter, int numParticles) {
    setMode(Mode.Points);

    this.emitter = emitter;

    // set positions
    FloatBuffer pb = BufferUtils.createVector3Buffer(numParticles);
    VertexBuffer pvb = new VertexBuffer(VertexBuffer.Type.Position);
    pvb.setupData(Usage.Stream, 3, Format.Float, pb);
     
    //if the buffer is already set only update the data
    VertexBuffer buf = getBuffer(VertexBuffer.Type.Position);
    if (buf != null) {
        buf.updateData(pb);
    } else {
        setBuffer(pvb);
    }

    // set colors
    ByteBuffer cb = BufferUtils.createByteBuffer(numParticles * 4);
    VertexBuffer cvb = new VertexBuffer(VertexBuffer.Type.Color);
    cvb.setupData(Usage.Stream, 4, Format.UnsignedByte, cb);
    cvb.setNormalized(true);
    
    buf = getBuffer(VertexBuffer.Type.Color);
    if (buf != null) {
        buf.updateData(cb);
    } else {
        setBuffer(cvb);
    }

    // set sizes
    FloatBuffer sb = BufferUtils.createFloatBuffer(numParticles);
    VertexBuffer svb = new VertexBuffer(VertexBuffer.Type.Size);
    svb.setupData(Usage.Stream, 1, Format.Float, sb);
            
    buf = getBuffer(VertexBuffer.Type.Size);
    if (buf != null) {
        buf.updateData(sb);
    } else {
        setBuffer(svb);
    }

    // set UV-scale
    FloatBuffer tb = BufferUtils.createFloatBuffer(numParticles*4);
    VertexBuffer tvb = new VertexBuffer(VertexBuffer.Type.TexCoord);
    tvb.setupData(Usage.Stream, 4, Format.Float, tb);
    
    buf = getBuffer(VertexBuffer.Type.TexCoord);
    if (buf != null) {
        buf.updateData(tb);
    } else {
        setBuffer(tvb);
    }
}
Example 11
Source File: ParticleTriMesh.java    From MikuMikuStudio with BSD 2-Clause "Simplified" License 4 votes vote down vote up 
@Override
public void initParticleData(ParticleEmitter emitter, int numParticles) {
    setMode(Mode.Triangles);

    this.emitter = emitter;

    particlesCopy = new Particle[numParticles];

    // set positions
    FloatBuffer pb = BufferUtils.createVector3Buffer(numParticles * 4);
    VertexBuffer pvb = new VertexBuffer(VertexBuffer.Type.Position);
    pvb.setupData(Usage.Stream, 3, Format.Float, pb);
    
    //if the buffer is already set only update the data
    VertexBuffer buf = getBuffer(VertexBuffer.Type.Position);
    if (buf != null) {
        buf.updateData(pb);
    } else {
        setBuffer(pvb);
    }
    
    // set colors
    ByteBuffer cb = BufferUtils.createByteBuffer(numParticles * 4 * 4);
    VertexBuffer cvb = new VertexBuffer(VertexBuffer.Type.Color);
    cvb.setupData(Usage.Stream, 4, Format.UnsignedByte, cb);
    cvb.setNormalized(true);
    
    buf = getBuffer(VertexBuffer.Type.Color);
    if (buf != null) {
        buf.updateData(cb);
    } else {
        setBuffer(cvb);
    }

    // set texcoords
    VertexBuffer tvb = new VertexBuffer(VertexBuffer.Type.TexCoord);
    FloatBuffer tb = BufferUtils.createVector2Buffer(numParticles * 4);
    
    uniqueTexCoords = false;
    for (int i = 0; i < numParticles; i++){
        tb.put(0f).put(1f);
        tb.put(1f).put(1f);
        tb.put(0f).put(0f);
        tb.put(1f).put(0f);
    }
    tb.flip();
    tvb.setupData(Usage.Static, 2, Format.Float, tb);
    
    buf = getBuffer(VertexBuffer.Type.TexCoord);
    if (buf != null) {
        buf.updateData(tb);
    } else {
        setBuffer(tvb);
    }

    // set indices
    ShortBuffer ib = BufferUtils.createShortBuffer(numParticles * 6);
    for (int i = 0; i < numParticles; i++){
        int startIdx = (i * 4);

        // triangle 1
        ib.put((short)(startIdx + 1))
          .put((short)(startIdx + 0))
          .put((short)(startIdx + 2));

        // triangle 2
        ib.put((short)(startIdx + 1))
          .put((short)(startIdx + 2))
          .put((short)(startIdx + 3));
    }
    ib.flip();
    
    VertexBuffer ivb = new VertexBuffer(VertexBuffer.Type.Index);
    ivb.setupData(Usage.Static, 3, Format.UnsignedShort, ib);
    
    buf = getBuffer(VertexBuffer.Type.Index);
    if (buf != null) {
        buf.updateData(ib);
    } else {
        setBuffer(ivb);
    }
    
}