GraphLine.RemoveAt Method

GraphLine RemoveAt Method

Delta Engine Documentation

Namespace: DeltaEngine.Rendering2D.Graphs
Assembly: DeltaEngine.Rendering2D.Graphs (in DeltaEngine.Rendering2D.Graphs.dll) Version: 1.1.1.0 (1.1.1)

Syntax

C++

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public void RemoveAt(
	int index
)

public void RemoveAt(
	int index
)

Public Sub RemoveAt ( 
	index As Integer
)

Public Sub RemoveAt ( 
	index As Integer
)

public:
void RemoveAt(
	int index
)

public:
void RemoveAt(
	int index
)

member RemoveAt : 
        index : int -> unit

member RemoveAt : 
        index : int -> unit

Parameters

index: Type: System Int32

Remarks

Tests: DeltaEngine.Rendering2D.Graphs.Tests.GraphLineTests

Examples

3 unit tests call DeltaEngine.Rendering2D.Graphs.GraphLine.RemoveAt(System.Int32)

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[Test, CloseAfterFirstFrame]
public void RemoveFirstPoint()
{
    GraphLine line = CreateLineWithThreePoints();
    line.RemoveAt(0);
    Assert.AreEqual(2, line.points.Count);
    Assert.AreEqual(1, line.lines.Count);
    Assert.AreEqual(new Vector2D(0.6f, 0.7f), line.points[0]);
    Assert.AreEqual(new Vector2D(0.8f, 0.4f), line.points[1]);
    Assert.IsTrue(line.lines[0].StartPoint.IsNearlyEqual(new Vector2D(0.538f, 0.462f)));
    Assert.IsTrue(line.lines[0].EndPoint.IsNearlyEqual(new Vector2D(0.6143f, 0.519f)));
}

[Test, CloseAfterFirstFrame]
public void RemoveFirstPoint()
{
    GraphLine line = CreateLineWithThreePoints();
    line.RemoveAt(0);
    Assert.AreEqual(2, line.points.Count);
    Assert.AreEqual(1, line.lines.Count);
    Assert.AreEqual(new Vector2D(0.6f, 0.7f), line.points[0]);
    Assert.AreEqual(new Vector2D(0.8f, 0.4f), line.points[1]);
    Assert.IsTrue(line.lines[0].StartPoint.IsNearlyEqual(new Vector2D(0.538f, 0.462f)));
    Assert.IsTrue(line.lines[0].EndPoint.IsNearlyEqual(new Vector2D(0.6143f, 0.519f)));
}

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[Test, CloseAfterFirstFrame]
public void RemoveMiddlePoint()
{
    GraphLine line = CreateLineWithThreePoints();
    line.RemoveAt(1);
    Assert.AreEqual(2, line.points.Count);
    Assert.AreEqual(1, line.lines.Count);
    Assert.AreEqual(new Vector2D(0.4f, 0.5f), line.points[0]);
    Assert.AreEqual(new Vector2D(0.8f, 0.4f), line.points[1]);
    Assert.IsTrue(line.lines[0].StartPoint.IsNearlyEqual(new Vector2D(0.462f, 0.5f)));
    Assert.IsTrue(line.lines[0].EndPoint.IsNearlyEqual(new Vector2D(0.6143f, 0.519f)));
}

[Test, CloseAfterFirstFrame]
public void RemoveMiddlePoint()
{
    GraphLine line = CreateLineWithThreePoints();
    line.RemoveAt(1);
    Assert.AreEqual(2, line.points.Count);
    Assert.AreEqual(1, line.lines.Count);
    Assert.AreEqual(new Vector2D(0.4f, 0.5f), line.points[0]);
    Assert.AreEqual(new Vector2D(0.8f, 0.4f), line.points[1]);
    Assert.IsTrue(line.lines[0].StartPoint.IsNearlyEqual(new Vector2D(0.462f, 0.5f)));
    Assert.IsTrue(line.lines[0].EndPoint.IsNearlyEqual(new Vector2D(0.6143f, 0.519f)));
}

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[Test, CloseAfterFirstFrame]
public void RemoveLastPoint()
{
    GraphLine line = CreateLineWithThreePoints();
    line.RemoveAt(2);
    Assert.AreEqual(2, line.points.Count);
    Assert.AreEqual(1, line.lines.Count);
    Assert.IsTrue(line.lines[0].StartPoint.IsNearlyEqual(new Vector2D(0.462f, 0.5f)));
    Assert.IsTrue(line.lines[0].EndPoint.IsNearlyEqual(new Vector2D(0.538f, 0.462f)));
}

[Test, CloseAfterFirstFrame]
public void RemoveLastPoint()
{
    GraphLine line = CreateLineWithThreePoints();
    line.RemoveAt(2);
    Assert.AreEqual(2, line.points.Count);
    Assert.AreEqual(1, line.lines.Count);
    Assert.IsTrue(line.lines[0].StartPoint.IsNearlyEqual(new Vector2D(0.462f, 0.5f)));
    Assert.IsTrue(line.lines[0].EndPoint.IsNearlyEqual(new Vector2D(0.538f, 0.462f)));
}