69 lines
1.9 KiB
C#
69 lines
1.9 KiB
C#
using OpenTK;
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namespace RecrownedGTK.Graphics {
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/// <summary>
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/// Basic camera handling up to x, y and z axis.
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/// </summary>
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public class Camera {
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private Vector3 scale = new Vector3(1f), translate, rotation;
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/// <summary>
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/// Scale factor multiplied to the camera coordinates.
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/// </summary>
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/// <value>The value to be multiplied.</value>
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public Vector3 Scale {
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get {
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return scale;
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}
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set {
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updated = true;
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scale = value;
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}
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}
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/// <summary>
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/// The translation applied after scaling and rotating.
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/// </summary>
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/// <value></value>
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public Vector3 Translate {
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set {
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updated = true;
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translate = value;
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}
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}
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/// <summary>
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/// Rotation applied before translation.
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/// </summary>
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/// <value></value>
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public Vector3 Rotation {
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set {
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updated = true;
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rotation = value;
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}
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get {
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return rotation;
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}
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}
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private Matrix4 transform;
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/// <summary>
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/// If values have updated, recalculate transformation matrix.
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/// </summary>
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/// <value>The transformation matrix.</value>
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public Matrix4 Transform {
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get {
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if (!updated) return transform;
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updated = true;
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transform =
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Matrix4.CreateScale(scale) *
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Matrix4.CreateRotationX(rotation.X) *
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Matrix4.CreateRotationY(rotation.Y) *
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Matrix4.CreateRotationZ(rotation.Z) *
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Matrix4.CreateTranslation(translate);
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transform = Matrix4.Transpose(transform);
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return transform;
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}
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}
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private bool updated;
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}
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} |