FilesExpand file tree

 master

/

DebugDraw.cs

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

106 lines (83 loc) · 4.74 KB

 master

/

DebugDraw.cs

Copy path

Top

File metadata and controls

• Code
• Blame

106 lines (83 loc) · 4.74 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

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

104

105

106

using UnityEngine;

using System.Collections;

public static class DebugDraw

{

#region Arrows

public static void ArrowGizmo(Vector3 pos, Vector3 direction, float arrowHeadLength = 0.25f, float arrowHeadAngle = 20.0f)

{

Gizmos.DrawRay(pos, direction);

Vector3 right = Quaternion.LookRotation(direction) * Quaternion.Euler(0,180+arrowHeadAngle,0) * new Vector3(0,0,1);

Vector3 left = Quaternion.LookRotation(direction) * Quaternion.Euler(0,180-arrowHeadAngle,0) * new Vector3(0,0,1);

Gizmos.DrawRay(pos + direction, right * arrowHeadLength);

Gizmos.DrawRay(pos + direction, left * arrowHeadLength);

}

public static void ArrowGizmo(Vector3 pos, Vector3 direction, Color color, float arrowHeadLength = 0.25f, float arrowHeadAngle = 20.0f)

{

Gizmos.color = color;

Gizmos.DrawRay(pos, direction);

Vector3 right = Quaternion.LookRotation(direction) * Quaternion.Euler(0,180+arrowHeadAngle,0) * new Vector3(0,0,1);

Vector3 left = Quaternion.LookRotation(direction) * Quaternion.Euler(0,180-arrowHeadAngle,0) * new Vector3(0,0,1);

Gizmos.DrawRay(pos + direction, right * arrowHeadLength);

Gizmos.DrawRay(pos + direction, left * arrowHeadLength);

}

public static void ArrowDebug(Vector3 pos, Vector3 direction, float length = 1f, float arrowHeadLength = 0.25f, float arrowHeadAngle = 20.0f)

{

Debug.DrawRay(pos, direction * length);

Vector3 right = Quaternion.LookRotation(direction) * Quaternion.Euler(0,180+arrowHeadAngle,0) * new Vector3(0,0,1);

Vector3 left = Quaternion.LookRotation(direction) * Quaternion.Euler(0,180-arrowHeadAngle,0) * new Vector3(0,0,1);

Debug.DrawRay(pos + (direction * length), right * arrowHeadLength * length);

Debug.DrawRay(pos + (direction * length), left * arrowHeadLength * length);

}

public static void ArrowDebug(Vector3 pos, Vector3 direction, Color color, float length = 1f, float arrowHeadLength = 0.25f, float arrowHeadAngle = 20.0f)

{

Debug.DrawRay(pos, direction * length, color);

Vector3 right = Quaternion.LookRotation(direction) * Quaternion.Euler(0,180+arrowHeadAngle,0) * new Vector3(0,0,1);

Vector3 left = Quaternion.LookRotation(direction) * Quaternion.Euler(0,180-arrowHeadAngle,0) * new Vector3(0,0,1);

Debug.DrawRay(pos + (direction * length), right * arrowHeadLength * length, color);

Debug.DrawRay(pos + (direction * length), left * arrowHeadLength * length, color);

}

#endregion

#region Frustum methods

private const int FRUSTUM_SIZE = 8;

private const int BOTTOM_LEFT_POINT = 0;

private const int TOP_LEFT_POINT = 1;

private const int TOP_RIGHT_POINT = 2;

private const int BOTTOM_RIGHT_POINT = 3;

private const int BOTTOM_LEFT_VEC = 4;

private const int TOP_LEFT_VEC = 5;

private const int TOP_RIGHT_VEC = 6;

private const int BOTTOM_RIGHT_VEC = 7;

public static void DrawDebugFrustum(Vector3[] viewFrustum)

{

Color[] colors = new Color[] { Color.red, Color.green, Color.blue, Color.white, Color.cyan, Color.magenta, Color.yellow, Color.black };

for (int i = 0; i < BOTTOM_LEFT_VEC; i++)

{

// Cast lines clockwise around near clipping plane bounds

Debug.DrawLine(viewFrustum[i], viewFrustum[(i + 1) % BOTTOM_LEFT_VEC], colors[i]);

Gizmos.DrawWireSphere(viewFrustum[i], 0.05f);

// Cast rays clockwise out of near clipping plane bounds

Debug.DrawRay(viewFrustum[i], viewFrustum[i + BOTTOM_LEFT_VEC], colors[i + BOTTOM_LEFT_VEC]);

}

}

public static Vector3[] CalculateViewFrustum(Camera cam, ref Vector3 dimensions)

{

Vector3[] frustum = new Vector3[FRUSTUM_SIZE];

// Near clipping plane bounds

frustum[BOTTOM_LEFT_POINT] = cam.ViewportToWorldPoint(new Vector3(0f, 0f, cam.nearClipPlane));

frustum[TOP_LEFT_POINT] = cam.ViewportToWorldPoint(new Vector3(0f, 1f, cam.nearClipPlane));

frustum[BOTTOM_RIGHT_POINT] = cam.ViewportToWorldPoint(new Vector3(1f, 0f, cam.nearClipPlane));

frustum[TOP_RIGHT_POINT] = cam.ViewportToWorldPoint(new Vector3(1f, 1f, cam.nearClipPlane));

// Clipping planes: 0/left, 1/right, 2/bottom, 3/top, 4/near, 5/far

Plane[] planes = GeometryUtility.CalculateFrustumPlanes(cam);

frustum[BOTTOM_LEFT_VEC] = Vector3.Cross(planes[0].normal, planes[2].normal);

frustum[TOP_LEFT_VEC] = Vector3.Cross(planes[3].normal, planes[0].normal);

frustum[TOP_RIGHT_VEC] = Vector3.Cross(planes[1].normal, planes[3].normal);

frustum[BOTTOM_RIGHT_VEC] = Vector3.Cross(planes[2].normal, planes[1].normal);

dimensions.x = (frustum[BOTTOM_LEFT_POINT] - frustum[BOTTOM_RIGHT_POINT]).magnitude;

dimensions.y = (frustum[TOP_LEFT_POINT] - frustum[BOTTOM_LEFT_POINT]).magnitude;

// Radius needed for sphere cast - distance from corner to center of viewport

dimensions.z = (frustum[BOTTOM_LEFT_POINT] - cam.ViewportToWorldPoint(new Vector3(0.5f, 0.5f, cam.nearClipPlane))).magnitude;

return frustum;

}

#endregion

}