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bezier_curve

Misty Manatee answered on January 22, 2022 Popularity 10/10 Helpfulness 1/10

answer bezier_curve

related How to draw Bezier curve?

bezier_curve

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public class BezierCurve
{
    //Starts following bezier curve.
    public void StartFollow()
    {
        //some code here.
    }
}

public class BezierCurveBatch : MonoBehaviour
{
    [SerializeField]
    List<BezierCurve> m_lstChildren;

    [SerializeField]
    float m_delayStartCurve = 10;
    float m_timeLeftToStartNextChild = 0;

    bool m_isRunBatchCurve = false;

    /// <summary>
    /// Start batch follow after each interval.
    /// </summary>
    public void StartBatch()
    {
        m_isRunBatchCurve = true;
    }

    private void Update()
    {
        if (!m_isRunBatchCurve)
            return;

        m_timeLeftToStartNextChild -= Time.deltaTime;
        if (m_timeLeftToStartNextChild <= 0.0f)
        {
            if (m_lstChildren.Count > 0) //if we have children left.
            {
                BezierCurve l_bCurveToStart = m_lstChildren[0];     //Getting top object.
                m_lstChildren.RemoveAt(0);                          //removing top object.
                l_bCurveToStart.StartFollow();                      //Start follow bezier curve
                m_timeLeftToStartNextChild = m_delayStartCurve;     //resetting time.
            }

            if (m_lstChildren.Count == 0)       //After processing last object, check if need to continue for next object.
                m_isRunBatchCurve = false;
        }
    }
}

Popularity 10/10 Helpfulness 1/10 Language csharp

Source: stackoverflow.com

Tags: c#

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Contributed on Jan 22 2022

Misty Manatee

0 Answers Avg Quality 2/10

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How to draw Bezier curve?

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-1

void recursive_bezier(double x1, double y1, 
                          double x2, double y2, 
                          double x3, double y3, 
                          double x4, double y4)
    {

        // Calculate all the mid-points of the line segments
        //----------------------
        double x12   = (x1 + x2) / 2;
        double y12   = (y1 + y2) / 2;
        double x23   = (x2 + x3) / 2;
        double y23   = (y2 + y3) / 2;
        double x34   = (x3 + x4) / 2;
        double y34   = (y3 + y4) / 2;
        double x123  = (x12 + x23) / 2;
        double y123  = (y12 + y23) / 2;
        double x234  = (x23 + x34) / 2;
        double y234  = (y23 + y34) / 2;
        double x1234 = (x123 + x234) / 2;
        double y1234 = (y123 + y234) / 2;

        // Try to approximate the full cubic curve by a single straight line
        //------------------
        double dx = x4-x1;
        double dy = y4-y1;

        double d2 = fabs(((x2 - x4) * dy - (y2 - y4) * dx));
        double d3 = fabs(((x3 - x4) * dy - (y3 - y4) * dx));

        if((d2 + d3)*(d2 + d3) < m_distance_tolerance * (dx*dx + dy*dy))
        {
            add_point(x1234, y1234);
            return;
        }

        // Continue subdivision
        //----------------------
        recursive_bezier(x1, y1, x12, y12, x123, y123, x1234, y1234); 
        recursive_bezier(x1234, y1234, x234, y234, x34, y34, x4, y4); 
    }


    void bezier(double x1, double y1, 
                double x2, double y2, 
                double x3, double y3, 
                double x4, double y4)
    {
        add_point(x1, y1);
        recursive_bezier(x1, y1, x2, y2, x3, y3, x4, y4);
        add_point(x4, y4);
    }

Popularity 10/10 Helpfulness 1/10 Language c

Source: agg.sourceforge.net

Tags: bezier be

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Contributed on Aug 08 2022

Combative Cassowary

0 Answers Avg Quality 2/10

bezier_curve

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