Velocity2D Class

Delta Engine Documentation

Component for any Entity moving around in 2D space with velocity limited to a maximum value It can be accelerated (or decelerated, which is the same) by a vector, by magnitude and direction, or by a scalar factor View code on GitHub

Inheritance Hierarchy

System Object
Asteroids Velocity2D

Namespace: Asteroids
Assembly: Asteroids (in Asteroids.exe) Version: 1.1.1.0 (1.1.1)

Syntax

C++

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public class Velocity2D

public class Velocity2D

Public Class Velocity2D

Public Class Velocity2D

public ref class Velocity2D

public ref class Velocity2D

type Velocity2D =  class end

type Velocity2D =  class end

The Velocity2D type exposes the following members.

Constructors

	Name	Description
	Velocity2D	Initializes a new instance of the Velocity2D class

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Methods

	Name	Description
	Accelerate

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Properties

	Name	Description
	Velocity

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Remarks

Tests: Asteroids.Tests.Velocity2DTests

Examples

4 unit tests call Asteroids.Velocity2D

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[Test]
public void AccelerateByPoint()
{
    velocity.Accelerate(Point.One);
    Assert.AreEqual(Point.One, velocity.velocity);
}

[Test]
public void AccelerateByPoint()
{
    velocity.Accelerate(Point.One);
    Assert.AreEqual(Point.One, velocity.velocity);
}

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[Test]
public void AccelerateByPointExceedingMaximum()
{
    velocity.Accelerate(new Point(6, 0));
    Assert.AreEqual(5, velocity.velocity.X);
    Assert.AreEqual(0, velocity.velocity.Y);
}

[Test]
public void AccelerateByPointExceedingMaximum()
{
    velocity.Accelerate(new Point(6, 0));
    Assert.AreEqual(5, velocity.velocity.X);
    Assert.AreEqual(0, velocity.velocity.Y);
}

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[Test]
public void AccelerateByMagnitudeAngle()
{
    velocity.Accelerate(4, 0);
    Assert.AreEqual(-4, velocity.velocity.Y);
    Assert.AreEqual(0, velocity.velocity.X);
}

[Test]
public void AccelerateByMagnitudeAngle()
{
    velocity.Accelerate(4, 0);
    Assert.AreEqual(-4, velocity.velocity.Y);
    Assert.AreEqual(0, velocity.velocity.X);
}