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</span><span style="color: #0000ff">private</span> Color paintColor =<span style="color: #000000"> Color.red;
</span><span style="color: #0000ff">private</span> <span style="color: #0000ff">float</span> paintSize = <span style="color: #800080">0.1f</span><span style="color: #000000">;
</span><span style="color: #0000ff">private</span> <span style="color: #0000ff">bool</span> isPress = <span style="color: #0000ff">false</span><span style="color: #000000">;
</span><span style="color: #0000ff">private</span><span style="color: #000000"> LineRenderer lineRenderer;
</span><span style="color: #0000ff">private</span> List<Vector3> positions = <span style="color: #0000ff">new</span> List<Vector3><span style="color: #000000">();
</span><span style="color: #0000ff">private</span> <span style="color: #0000ff">int</span> lineCount = <span style="color: #800080">0</span><span style="color: #000000">;
</span><span style="color: #0000ff">private</span> <span style="color: #0000ff">void</span><span style="color: #000000"> update()
{
</span><span style="color: #0000ff">if</span> (Input.GetMouseButtonDown(<span style="color: #800080">0</span><span style="color: #000000">))
{
isPress </span>= <span style="color: #0000ff">true</span><span style="color: #000000">;
GameObject go </span>= <span style="color: #0000ff">new</span> GameObject(<span style="color: #800000">"</span><span style="color: #800000">LineRenderer_</span><span style="color: #800000">"</span> +<span style="color: #000000"> lineCount);
go.transform.parent </span>=<span style="color: #000000"> gameObject.transform;
lineRenderer </span>= go.AddComponent<LineRenderer><span style="color: #000000">();
lineRenderer.startColor </span>=<span style="color: #000000"> paintColor;
lineRenderer.endColor </span>=<span style="color: #000000"> paintColor;
lineRenderer.startWidth </span>=<span style="color: #000000"> paintSize;
lineRenderer.endWidth </span>=<span style="color: #000000"> paintSize;
lineRenderer.material </span>=<span style="color: #000000"> currentMaterial;
lineRenderer.numCapVertices </span>= <span style="color: #800080">5</span><span style="color: #000000">;
lineRenderer.numCornerVertices </span>= <span style="color: #800080">5</span><span style="color: #000000">;
lineCount</span>++<span style="color: #000000">;
AddPosition();
}
</span><span style="color: #0000ff">if</span><span style="color: #000000"> (isPress)
{
AddPosition();
}
</span><span style="color: #0000ff">if</span> (Input.GetMouseButtonUp(<span style="color: #800080">0</span><span style="color: #000000">))
{
lineRenderer </span>= <span style="color: #0000ff">null</span><span style="color: #000000">;
positions.Clear();
isPress </span>= <span style="color: #0000ff">false</span><span style="color: #000000">;
}
}
</span><span style="color: #0000ff">void</span><span style="color: #000000"> AddPosition()
{
Vector3 position </span>=<span style="color: #000000"> GetMousePoint();
</span><span style="color: #0000ff">if</span> (positions.Count > <span style="color: #800080">0</span><span style="color: #000000">)
{
</span><span style="color: #0000ff">if</span> (Vector3.Distance(position,positions[positions.Count - <span style="color: #800080">1</span>]) < <span style="color: #800080">0.1f</span><span style="color: #000000">)
{
</span><span style="color: #0000ff">return</span><span style="color: #000000">;
}
}
position.z </span>= -<span style="color: #800080">0.02f</span> *<span style="color: #000000"> lineCount;
positions.Add(position);
lineRenderer.positionCount </span>=<span style="color: #000000"> positions.Count;
lineRenderer.SetPositions(positions.ToArray());
}
Vector3 GetMousePoint()
{
Ray ray </span>=<span style="color: #000000"> Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
</span><span style="color: #0000ff">bool</span> isCollider = Physics.Raycast(ray,<span style="color: #0000ff">out</span><span style="color: #000000"> hit);
</span><span style="color: #0000ff">if</span><span style="color: #000000"> (isCollider)
{
</span><span style="color: #0000ff">return</span><span style="color: #000000"> hit.point;
}
</span><span style="color: #0000ff">return</span><span style="color: #000000"> Vector3.zero;
}
</span><span style="color: #0000ff">#region</span> color
<span style="color: #0000ff">public</span> <span style="color: #0000ff">void</span> OnRedColorChange(<span style="color: #0000ff">bool</span><span style="color: #000000"> isOn)
{
</span><span style="color: #0000ff">if</span><span style="color: #000000"> (isOn)
{
paintColor </span>=<span style="color: #000000"> Color.red;
}
}
</span><span style="color: #0000ff">public</span> <span style="color: #0000ff">void</span> OnGreenColorChange(<span style="color: #0000ff">bool</span><span style="color: #000000"> isOn)
{
</span><span style="color: #0000ff">if</span><span style="color: #000000"> (isOn)
{
paintColor </span>=<span style="color: #000000"> Color.green;
}
}
</span><span style="color: #0000ff">public</span> <span style="color: #0000ff">void</span> OnBlueColorChange(<span style="color: #0000ff">bool</span><span style="color: #000000"> isOn)
{
</span><span style="color: #0000ff">if</span><span style="color: #000000"> (isOn)
{
paintColor </span>=<span style="color: #000000"> Color.blue;
}
}
</span><span style="color: #0000ff">#endregion</span>
<span style="color: #0000ff">#region</span> size
<span style="color: #0000ff">public</span> <span style="color: #0000ff">void</span> On1SizeChange(<span style="color: #0000ff">bool</span><span style="color: #000000"> isOn)
{
</span><span style="color: #0000ff">if</span><span style="color: #000000"> (isOn)
{
paintSize </span>= <span style="color: #800080">0.1f</span><span style="color: #000000">;
}
}
</span><span style="color: #0000ff">public</span> <span style="color: #0000ff">void</span> On2SizeChange(<span style="color: #0000ff">bool</span><span style="color: #000000"> isOn)
{
</span><span style="color: #0000ff">if</span><span style="color: #000000"> (isOn)
{
paintSize </span>= <span style="color: #800080">0.2f</span><span style="color: #000000">;
}
}
</span><span style="color: #0000ff">public</span> <span style="color: #0000ff">void</span> On4SizeChange(<span style="color: #0000ff">bool</span><span style="color: #000000"> isOn)
{
</span><span style="color: #0000ff">if</span><span style="color: #000000"> (isOn)
{
paintSize </span>= <span style="color: #800080">0.4f</span><span style="color: #000000">;
}
}
</span><span style="color: #0000ff">#endregion</span><span style="color: #000000">
}
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