1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
using System;
using System.Numerics;
using System.Runtime.InteropServices;
using Vulkan;
namespace VKE {
public class Camera {
public enum CamType {LookAt, FirstPerson};
float fov, aspectRatio, zNear = 0.1f, zFar = 256f;
float moveSpeed = 1, rotSpeed = 0.01f, zoomSpeed = 0.01f;
Vector3 rotation = new Vector3 (-1.5f, 2.7f, 0f);
Vector3 position = new Vector3 (0, 0, -2);
float zoom = 1.0f;
public CamType Type;
public float AspectRatio {
get { return aspectRatio; }
set {
aspectRatio = value;
Update ();
}
}
public float FieldOfView {
get { return fov; }
set {
fov = value;
Update ();
}
}
public Matrix4x4 Perspective {
get { return Matrix4x4.CreatePerspectiveFieldOfView (fov, aspectRatio, zNear, zFar); }
}
public Camera (float fieldOfView, float aspectRatio) {
fov = fieldOfView;
this.aspectRatio = aspectRatio;
Update ();
}
public void Rotate (float x, float y, float z = 0) {
rotation.Y += rotSpeed * x;
rotation.X += rotSpeed * y;
Update ();
}
public void Move (float x, float y, float z = 0) {
position.X += moveSpeed * x;
position.Y += moveSpeed * y;
position.Z += moveSpeed * z;
Update ();
}
public void Zoom (float factor) {
zoom += zoomSpeed * factor;
Update ();
}
public Matrix4x4 Projection { get; private set;}
public Matrix4x4 View { get; private set;}
public Matrix4x4 Model { get; private set;}
public Matrix4x4 SkyboxView {
get {
return
Matrix4x4.CreateFromAxisAngle (Vector3.UnitZ, rotation.Z) *
Matrix4x4.CreateFromAxisAngle (Vector3.UnitY, rotation.Y) *
Matrix4x4.CreateFromAxisAngle (Vector3.UnitX, rotation.X);
}
}
public void Update () {
Projection = Matrix4x4.CreatePerspectiveFieldOfView (fov, aspectRatio, zNear, zFar);
Matrix4x4 rot =
Matrix4x4.CreateFromAxisAngle (Vector3.UnitX, rotation.X) *
Matrix4x4.CreateFromAxisAngle (Vector3.UnitY, rotation.Y) *
Matrix4x4.CreateFromAxisAngle (Vector3.UnitZ, rotation.Z);
if (Type == CamType.LookAt) {
View = Matrix4x4.CreateFromAxisAngle (Vector3.UnitX, rotation.X) *
Matrix4x4.CreateFromAxisAngle (Vector3.UnitY, rotation.Y) *
Matrix4x4.CreateFromAxisAngle (Vector3.UnitZ, rotation.Z) *
Matrix4x4.CreateTranslation (position);
} else {
View = Matrix4x4.CreateTranslation (position) *
Matrix4x4.CreateFromAxisAngle (Vector3.UnitZ, rotation.Z) *
Matrix4x4.CreateFromAxisAngle (Vector3.UnitY, rotation.Y) *
Matrix4x4.CreateFromAxisAngle (Vector3.UnitX, rotation.X);
}
Model = Matrix4x4.Identity;
}
//public void Update () {
// Projection = Matrix4x4.CreatePerspectiveFieldOfView (fov, aspectRatio, zNear, zFar);
// //matrices.view = Matrix4x4.CreateLookAt (new Vector3 (0, 0, -1), new Vector3 (0, 0, 0), Vector3.UnitY);//Matrix4x4.CreateTranslation (0, 0, -2.5f);
// View = Matrix4x4.CreateTranslation (0, 0, -2.5f * zoom);
// Model =
// Matrix4x4.CreateFromAxisAngle (Vector3.UnitX, rotation.X) *
// Matrix4x4.CreateFromAxisAngle (Vector3.UnitY, rotation.Y) *
// Matrix4x4.CreateFromAxisAngle (Vector3.UnitZ, rotation.Z);
//}
}
}
|
