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draw coordinate arrows

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This commit is contained in:
monitor1394
2018-09-07 06:42:45 +08:00
parent 4f0957053a
commit 5b802ee670
1 changed files with 71 additions and 3 deletions
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74
Assets/XChart/Scripts/LineChart.cs
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@@ -131,6 +131,10 @@ namespace xchart
[SerializeField] [SerializeField]
private int graduationStep = 10; private int graduationStep = 10;
[SerializeField] [SerializeField]
private float arrowLen = 12;
[SerializeField]
private float arrowSize = 6;
[SerializeField]
private List<Text> graduationList = new List<Text>(); private List<Text> graduationList = new List<Text>();
[SerializeField] [SerializeField]
private List<LineData> lineList = new List<LineData>(); private List<LineData> lineList = new List<LineData>();
@@ -301,7 +305,7 @@ namespace xchart
// draw coordinate // draw coordinate
Vector3 coordZero = Vector3.zero; Vector3 coordZero = Vector3.zero;
DrawLine(vh, new Vector3(chartWid + 5, -5), new Vector3(chartWid + 5, chartHigh+0.5f), 1, Color.grey); DrawLine(vh, new Vector3(chartWid + 5, -5), new Vector3(chartWid + 5, chartHigh + 0.5f), 1, Color.grey);
for (int i = 0; i < graduationList.Count; i++) for (int i = 0; i < graduationList.Count; i++)
{ {
Vector3 sp = new Vector3(-5, chartHigh * i / (graduationList.Count - 1)); Vector3 sp = new Vector3(-5, chartHigh * i / (graduationList.Count - 1));
@@ -338,8 +342,16 @@ namespace xchart
} }
} }
DrawLine(vh, new Vector3(0, -6.5f), new Vector3(0, chartHigh + 15), 1.5f, Color.white); //draw x,y axis
DrawLine(vh, new Vector3(0, -5), new Vector3(chartWid + 25, -5), 1.5f, Color.white); float xLen = chartWid + 25;
float yLen = chartHigh + 15;
float xPos = 0;
float yPos = -5;
DrawLine(vh, new Vector3(xPos, yPos - 1.5f), new Vector3(xPos, yLen), 1.5f, Color.white);
DrawLine(vh, new Vector3(xPos, yPos), new Vector3(xLen, yPos), 1.5f, Color.white);
//draw arrows
DrawTriangle(vh, new Vector3(xPos - arrowSize, yLen - arrowLen), new Vector3(xPos, yLen + 4), new Vector3(xPos + arrowSize, yLen - arrowLen), Color.white);
DrawTriangle(vh, new Vector3(xLen - arrowLen, yPos + arrowSize), new Vector3(xLen + 4, yPos), new Vector3(xLen - arrowLen, yPos - arrowSize), Color.white);
} }
private void DrawLine(VertexHelper vh, Vector3 p1, Vector3 p2, float size, Color color) private void DrawLine(VertexHelper vh, Vector3 p1, Vector3 p2, float size, Color color)
@@ -373,5 +385,61 @@ namespace xchart
} }
vh.AddUIVertexQuad(vertex); vh.AddUIVertexQuad(vertex);
} }
private void DrawTriangle(VertexHelper vh, Vector3 p1, Vector3 p2, Vector3 p3, Color color)
{
List<UIVertex> vertexs = new List<UIVertex>();
vh.GetUIVertexStream(vertexs);
DrawTriangle(vh, vertexs, p1, p2, p3, color);
}
private void DrawTriangle(VertexHelper vh, List<UIVertex> vertexs, Vector3 p1, Vector3 p2, Vector3 p3, Color color)
{
UIVertex v1 = new UIVertex();
v1.position = p1;
v1.color = color;
v1.uv0 = Vector3.zero;
vertexs.Add(v1);
UIVertex v2 = new UIVertex();
v2.position = p2;
v2.color = color;
v2.uv0 = Vector3.zero;
vertexs.Add(v2);
UIVertex v3 = new UIVertex();
v3.position = p3;
v3.color = color;
v3.uv0 = Vector3.zero;
vertexs.Add(v3);
vh.AddUIVertexTriangleStream(vertexs);
}
private void DrawCricle(VertexHelper vh, Vector3 p, float radius, Color color, int segments)
{
List<UIVertex> vertexs = new List<UIVertex>();
vh.GetUIVertexStream(vertexs);
float angle = 2 * Mathf.PI / segments;
float cos = Mathf.Cos(angle);
float sin = Mathf.Sin(angle);
float cx = radius, cy = 0;
List<UIVertex> vs = new List<UIVertex>();
segments--;
Vector3 p2, p3;
for (int i = 0; i < segments; i++)
{
p2 = new Vector3(p.x + cx, p.y + cy);
float temp = cx;
cx = cos * cx - sin * cy;
cy = sin * temp + cos * cy;
p3 = new Vector3(p.x + cx, p.y + cy);
DrawTriangle(vh, vertexs, p, p2, p3, color);
}
p2 = new Vector3(p.x + cx, p.y + cy);
cx = radius;
cy = 0;
p3 = new Vector3(p.x + cx, p.y + cy);
DrawTriangle(vh, vertexs, p, p2, p3, color);
}
} }
} }