Example usage for com.badlogic.gdx.math Vector3 dst

Introduction

In this page you can find the example usage for com.badlogic.gdx.math Vector3 dst.

Prototype

@Override
    public float dst(final Vector3 vector) 

Source Link

Usage

From source file:com.mbrlabs.mundus.editor.tools.brushes.TerrainBrush.java

License:Apache License

private void flatten() {
    Terrain terrain = terrainAsset.getTerrain();
    final Vector3 terPos = terrain.getPosition(tVec1);
    for (int x = 0; x < terrain.vertexResolution; x++) {
        for (int z = 0; z < terrain.vertexResolution; z++) {
            final Vector3 vertexPos = terrain.getVertexPosition(tVec0, x, z);
            vertexPos.x += terPos.x;//from w  w w.j  ava2  s .co  m
            vertexPos.z += terPos.z;
            float distance = vertexPos.dst(brushPos);

            if (distance <= radius) {
                final int index = z * terrain.vertexResolution + x;
                final float diff = Math.abs(terrain.heightData[index] - heightSample);
                if (diff <= 1f) {
                    terrain.heightData[index] = heightSample;
                } else if (diff > 1f) {
                    final float elevation = getValueOfBrushPixmap(brushPos.x, brushPos.z, vertexPos.x,
                            vertexPos.z, radius);
                    // current height is lower than sample
                    if (heightSample > terrain.heightData[index]) {
                        terrain.heightData[index] += elevation * strength;
                    } else {
                        float newHeight = terrain.heightData[index] - elevation * strength;
                        if (diff > Math.abs(newHeight) || terrain.heightData[index] > heightSample) {
                            terrain.heightData[index] = newHeight;
                        }

                    }
                }
            }
        }
    }

    terrain.update();
    terrainHeightModified = true;
    getProjectManager().current().assetManager.addDirtyAsset(terrainAsset);
}

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From source file:com.mbrlabs.mundus.editor.tools.brushes.TerrainBrush.java

License:Apache License

private void raiseLower(BrushAction action) {
    Terrain terrain = terrainAsset.getTerrain();
    final Vector3 terPos = terrain.getPosition(tVec1);
    float dir = (action == BrushAction.PRIMARY) ? 1 : -1;
    for (int x = 0; x < terrain.vertexResolution; x++) {
        for (int z = 0; z < terrain.vertexResolution; z++) {
            final Vector3 vertexPos = terrain.getVertexPosition(tVec0, x, z);
            vertexPos.x += terPos.x;/*from w ww. j a  v  a 2 s .c o  m*/
            vertexPos.z += terPos.z;
            float distance = vertexPos.dst(brushPos);

            if (distance <= radius) {
                float elevation = getValueOfBrushPixmap(brushPos.x, brushPos.z, vertexPos.x, vertexPos.z,
                        radius);
                terrain.heightData[z * terrain.vertexResolution + x] += dir * elevation * strength;
            }
        }
    }

    terrain.update();
    terrainHeightModified = true;
    getProjectManager().current().assetManager.addDirtyAsset(terrainAsset);
}

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From source file:com.mbrlabs.mundus.tools.brushes.TerrainBrush.java

License:Apache License

private void flatten() {
    final Vector3 terPos = terrain.getPosition(tVec1);
    for (int x = 0; x < terrain.vertexResolution; x++) {
        for (int z = 0; z < terrain.vertexResolution; z++) {
            final Vector3 vertexPos = terrain.getVertexPosition(tVec0, x, z);
            vertexPos.x += terPos.x;//  w w  w .j av  a  2s.  c  o m
            vertexPos.z += terPos.z;
            float distance = vertexPos.dst(brushPos);

            if (distance <= radius) {
                final int index = z * terrain.vertexResolution + x;
                final float diff = Math.abs(terrain.heightData[index] - heightSample);
                if (diff <= 1f) {
                    terrain.heightData[index] = heightSample;
                } else if (diff > 1f) {
                    final float elevation = getValueOfBrushPixmap(brushPos.x, brushPos.z, vertexPos.x,
                            vertexPos.z, radius);
                    final float newHeight = heightSample * elevation;
                    if (Math.abs(heightSample - newHeight) < Math
                            .abs(heightSample - terrain.heightData[index])) {
                        terrain.heightData[index] = newHeight;
                    }
                }
            }
        }
    }

    terrain.update();
    terrainHeightModified = true;
}

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From source file:com.mbrlabs.mundus.tools.brushes.TerrainBrush.java

License:Apache License

private void raiseLower(BrushAction action) {
    final Vector3 terPos = terrain.getPosition(tVec1);
    float dir = (action == BrushAction.PRIMARY) ? 1 : -1;
    for (int x = 0; x < terrain.vertexResolution; x++) {
        for (int z = 0; z < terrain.vertexResolution; z++) {
            final Vector3 vertexPos = terrain.getVertexPosition(tVec0, x, z);
            vertexPos.x += terPos.x;//from   w  w  w.  j  av  a 2 s.com
            vertexPos.z += terPos.z;
            float distance = vertexPos.dst(brushPos);

            if (distance <= radius) {
                float elevation = getValueOfBrushPixmap(brushPos.x, brushPos.z, vertexPos.x, vertexPos.z,
                        radius);
                terrain.heightData[z * terrain.vertexResolution + x] += dir * elevation * strength;
            }
        }
    }

    terrain.update();
    terrainHeightModified = true;
}

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From source file:gaia.cu9.ari.gaiaorbit.util.g3d.MeshBuilder2.java

License:Apache License

@Override
public void arrow(float x1, float y1, float z1, float x2, float y2, float z2, float capLength,
        float stemThickness, int divisions) {
    Vector3 begin = tmp(x1, y1, z1), end = tmp(x2, y2, z2);
    float length = begin.dst(end);
    float coneHeight = length * capLength;
    float coneDiameter = 2 * (float) (coneHeight * Math.sqrt(1f / 3));
    float stemLength = length - coneHeight;
    float stemDiameter = coneDiameter * stemThickness;

    Vector3 up = tmp(end).sub(begin).nor();
    Vector3 forward = tmp(up).crs(Vector3.Z);
    if (forward.isZero())
        forward.set(Vector3.X);/*from www  .j ava2 s . c om*/
    forward.crs(up).nor();
    Vector3 left = tmp(up).crs(forward).nor();
    Vector3 direction = tmp(end).sub(begin).nor();

    // Matrices
    Matrix4 userTransform = getVertexTransform(tmp());
    Matrix4 transform = tmp();
    float[] val = transform.val;
    val[Matrix4.M00] = left.x;
    val[Matrix4.M01] = up.x;
    val[Matrix4.M02] = forward.x;
    val[Matrix4.M10] = left.y;
    val[Matrix4.M11] = up.y;
    val[Matrix4.M12] = forward.y;
    val[Matrix4.M20] = left.z;
    val[Matrix4.M21] = up.z;
    val[Matrix4.M22] = forward.z;
    Matrix4 temp = tmp();

    // Stem
    transform.setTranslation(tmp(direction).scl(stemLength / 2).add(x1, y1, z1));
    setVertexTransform(temp.set(transform).mul(userTransform));
    cylinder(stemDiameter, stemLength, stemDiameter, divisions);

    // Cap
    transform.setTranslation(tmp(direction).scl(stemLength).add(x1, y1, z1));
    setVertexTransform(temp.set(transform).mul(userTransform));
    cone(coneDiameter, coneHeight, coneDiameter, divisions);

    setVertexTransform(userTransform);
    cleanup();
}

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