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Commit 04bbf9d

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gui-fkbgui-fkb
committed
add plane reflection example
1 parent 1cf0c96 commit 04bbf9d
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20 files changed

+455
-126
lines changed

‎Assets/Scenes/GlobalScripts/HolisticMath.cs

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-77Lines changed: 0 additions & 77 deletions
This file was deleted.

‎Assets/Scenes/GlobalScripts.meta renamed to ‎Assets/Scripts.meta

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+1-1Lines changed: 1 addition & 1 deletion
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‎Assets/Scenes/GlobalScripts/Coords.cs renamed to ‎Assets/Scripts/Coords.cs

Copy file name to clipboardExpand all lines: Assets/Scripts/Coords.cs
+27-8Lines changed: 27 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -30,6 +30,12 @@ public Coords(Vector3 vecpos)
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z = vecpos.z;
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}
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33+
public Coords GetNormal()
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{
35+
float magnitude = HolisticMath.Distance(new Coords(0, 0, 0), new Coords(x, y, z));
36+
return new Coords(x / magnitude, y / magnitude, z / magnitude);
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}
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public override string ToString()
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{
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return "(" + x + "," + y + "," + z + ")";
@@ -42,12 +48,31 @@ public Vector3 ToVector()
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static public Coords operator +(Coords a, Coords b)
4450
{
45-
return new Coords(a.x + b.x, a.y + b.y, a.z + b.z);
51+
Coords c = new Coords(a.x + b.x, a.y + b.y, a.z + b.z);
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return c;
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}
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4855
static public Coords operator -(Coords a, Coords b)
4956
{
50-
return new Coords(a.x - b.x, a.y - b.y, a.z - b.z);
57+
Coords c = new Coords(a.x - b.x, a.y - b.y, a.z - b.z);
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return c;
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}
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static public Coords operator /(Coords a, float b)
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{
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Coords c = new Coords(a.x / b, a.y / b, a.z / b);
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return c;
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}
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static public Coords operator *(Coords a, float b)
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{
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Coords c = new Coords(a.x * b, a.y * b, a.z * b);
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return c;
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}
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static public Coords Perp(Coords v)
74+
{
75+
return new Coords(-v.y, v.x, -1.0f);
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}
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static public void DrawLine(Coords startPoint, Coords endPoint, float width, Color colour)
@@ -63,12 +88,6 @@ static public void DrawLine(Coords startPoint, Coords endPoint, float width, Col
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lineRenderer.endWidth = width;
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}
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static public Coords Perp(Coords v)
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{
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return new Coords(-v.y, v.x);
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}
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static public void DrawPoint(Coords position, float width, Color colour)
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{
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GameObject line = new GameObject("Point_" + position.ToString());

‎Assets/Scenes/GlobalScripts/Coords.cs.meta renamed to ‎Assets/Scripts/Coords.cs.meta

Copy file name to clipboardExpand all lines: Assets/Scripts/Coords.cs.meta
+1-1Lines changed: 1 addition & 1 deletion
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‎Assets/Scenes/GlobalScripts/CreateLines.cs renamed to ‎Assets/Scripts/CreateLines.cs

Copy file name to clipboardExpand all lines: Assets/Scripts/CreateLines.cs
+4-2Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -10,9 +10,9 @@ public class CreateLines : MonoBehaviour
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// Start is called before the first frame update
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void Start()
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{
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L1 = new Line(new Coords(0.0f, 0.0f, 0.0f), new Coords(-6.0f, 7.0f, 3.0f));
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L1 = new Line(new Coords(-100, 0, 0), new Coords(20, 50, 0));
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L1.Draw(1, Color.green);
15-
L2 = new Line(new Coords(0.0f, 0.0f, 0.0f), new Coords(-7.0f, -6.0f, 6.0f));
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L2 = new Line(new Coords(-100, 10, 0), new Coords(0, 50, 0));
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L2.Draw(1, Color.red);
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float intersectT = L1.IntersectsAt(L2);
@@ -23,6 +23,8 @@ void Start()
2323
GameObject sphere = GameObject.CreatePrimitive(PrimitiveType.Sphere);
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sphere.transform.position = L1.Lerp(intersectT).ToVector();
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}
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Debug.Log("T:" + intersectT + " S:" + intersectS);
2628
}
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2830
// Update is called once per frame

‎Assets/Scenes/GlobalScripts/CreateLines.cs.meta renamed to ‎Assets/Scripts/CreateLines.cs.meta

Copy file name to clipboardExpand all lines: Assets/Scripts/CreateLines.cs.meta
+1-1Lines changed: 1 addition & 1 deletion
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‎Assets/Scripts/CreatePlane.cs

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+34Lines changed: 34 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,34 @@
1+
using System.Collections;
2+
using System.Collections.Generic;
3+
using UnityEngine;
4+
5+
public class CreatePlane : MonoBehaviour
6+
{
7+
public Transform A;
8+
public Transform B;
9+
public Transform C;
10+
Plane plane;
11+
12+
// Start is called before the first frame update
13+
void Start()
14+
{
15+
plane = new Plane(new Coords(A.position),
16+
new Coords(B.position),
17+
new Coords(C.position));
18+
19+
for(float s = -5; s < 5; s += 0.1f)
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{
21+
for(float t = -5; t < 5; t += 0.1f)
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{
23+
GameObject sphere = GameObject.CreatePrimitive(PrimitiveType.Sphere);
24+
sphere.transform.position = plane.Lerp(s, t).ToVector();
25+
}
26+
}
27+
}
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// Update is called once per frame
30+
void Update()
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{
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}
34+
}

‎Assets/Scripts/CreatePlane.cs.meta

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+11Lines changed: 11 additions & 0 deletions
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‎Assets/Scenes/GlobalScripts/CreatePlaneHit.cs renamed to ‎Assets/Scripts/CreatePlaneHit.cs

Copy file name to clipboard
+16-10Lines changed: 16 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
using System.Collections;
1+
using System.Collections;
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using System.Collections.Generic;
33
using UnityEngine;
44

@@ -13,31 +13,37 @@ public class CreatePlaneHit : MonoBehaviour
1313
Plane plane;
1414
Line L1;
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16+
// Start is called before the first frame update
1617
void Start()
1718
{
18-
plane = new Plane(new Coords(A.position), new Coords(B.position), new Coords(C.position));
19+
plane = new Plane(new Coords(A.position),
20+
new Coords(B.position),
21+
new Coords(C.position));
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2023
L1 = new Line(new Coords(D.position), new Coords(E.position), Line.LINETYPE.RAY);
2124
L1.Draw(1, Color.green);
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23-
for (float s = 0; s <= 1; s += 0.1f)
26+
for(float s = 0; s <= 1; s += 0.1f)
2427
{
25-
for (float t = 0; t <= 1; t += 0.1f)
28+
for(float t = 0; t <= 1; t += 0.1f)
2629
{
2730
GameObject sphere = GameObject.CreatePrimitive(PrimitiveType.Sphere);
2831
sphere.transform.position = plane.Lerp(s, t).ToVector();
2932
}
3033
}
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32-
float z = L1.IntersectsAt(plane);
33-
Debug.Log(z);
34-
35-
GameObject cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
36-
cube.transform.position = L1.Lerp(z).ToVector();
35+
float interceptT = L1.IntersectsAt(plane);
36+
if(interceptT == interceptT)
37+
{
38+
GameObject cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
39+
cube.transform.position = L1.Lerp(interceptT).ToVector();
40+
}
3741
}
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// Update is called once per frame
3945
void Update()
4046
{
41-
47+
4248
}
4349
}

‎Assets/Scenes/GlobalScripts/CreatePlaneHit.cs.meta renamed to ‎Assets/Scripts/CreatePlaneHit.cs.meta

Copy file name to clipboardExpand all lines: Assets/Scripts/CreatePlaneHit.cs.meta
+1-1Lines changed: 1 addition & 1 deletion
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‎Assets/Scripts/CreateWall.cs

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+46Lines changed: 46 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,46 @@
1+
using System.Collections;
2+
using System.Collections.Generic;
3+
using UnityEngine;
4+
5+
public class CreateWall : MonoBehaviour
6+
{
7+
Line wall;
8+
Line ballPath;
9+
public GameObject ball;
10+
Vector3 pathNormal;
11+
12+
Line trajectory;
13+
14+
// Start is called before the first frame update
15+
void Start()
16+
{
17+
wall = new Line(new Coords(5, -2, 0), new Coords(0, 5, 0));
18+
wall.Draw(1, Color.blue);
19+
20+
ballPath = new Line(new Coords(-6, 2, 0), new Coords(100, -20, 0));
21+
ballPath.Draw(0.1f, Color.yellow);
22+
23+
ball.transform.position = ballPath.A.ToVector();
24+
25+
//ball path wall intersection
26+
float t = ballPath.IntersectsAt(wall);
27+
float s = wall.IntersectsAt(ballPath);
28+
if (t == t && s == s)
29+
trajectory = new Line(ballPath.A, ballPath.Lerp(t), Line.LINETYPE.SEGMENT);
30+
31+
}
32+
33+
// Update is called once per frame
34+
void Update()
35+
{
36+
if (Time.time <= 1)
37+
{
38+
ball.transform.position = trajectory.Lerp(Time.time).ToVector();
39+
}
40+
else
41+
{
42+
ball.transform.position += trajectory.Reflect(Coords.Perp(wall.v)).ToVector() * Time.deltaTime * 5;
43+
}
44+
45+
}
46+
}

‎Assets/Scripts/CreateWall.cs.meta

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+11Lines changed: 11 additions & 0 deletions
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