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wheel length ratio
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@zli12321
zli12321 committed May 7, 2024
1 parent f771b86 commit 6a1e5f3
Showing 1 changed file with 53 additions and 51 deletions.
104 changes: 53 additions & 51 deletions Assets/Scripts/illusions/wheelLength.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -9,37 +9,40 @@ public class wheelLength : abstractIllusionPattern
{
public int width = 1028;
public int height = 1028;
public int InitPatternHeight = 512;
public int InitPatternWidth = 512;
public int numSquares = 30;
public float radius = 500;
public int InitPatternHeight = 680;
public int InitPatternWidth = 680;
public int numSquares = 25;
public float radius = 600;
public float squareSize = 20;
public int dotDiameter = 8;
public Color dotColor = Color.black;
private int CurrentPatternWidth;
private int CurrentPatternHeight;
private float stepSize = 0.1f;
private float shiftSize = 1.0f;

// Constructor
public wheelLength(float stepSize = 0.1f)
{
CurrentPatternHeight = InitPatternHeight;
CurrentPatternWidth = InitPatternWidth;
this.stepSize = stepSize;
texture = GeneratePattern(CurrentPatternWidth, CurrentPatternHeight);
texture = GeneratePattern(CurrentPatternWidth, CurrentPatternHeight, shiftSize);
}

public override Texture2D GeneratePattern()
{
texture = GeneratePattern(width, height);
texture = GeneratePattern(width, height, shiftSize);
return texture;
}

public Texture2D GeneratePattern(int width, int height)
public Texture2D GeneratePattern(int width, int height, float shiftSizes)
{
Texture2D texture = new Texture2D(width, height, TextureFormat.RGBA32, false);
Color backgroundColor = Color.grey;

float shift = shiftSizes;
// float shift = 3.1f;
// float shift = 10.0f;
// Fill background
for (int i = 0; i < width; i++)
{
Expand All @@ -59,15 +62,17 @@ public Texture2D GeneratePattern(int width, int height)
{
float angle = 2 * Mathf.PI * i / numSquares;
Vector2 outerSquareCenter = center + new Vector2(Mathf.Cos(angle), Mathf.Sin(angle)) * adjustedOuterRadius;
DrawRotatedSquare(texture, outerSquareCenter, squareSize, angle + Mathf.PI / 2, Color.black, Color.white);
// DrawRotatedSquare(texture, outerSquareCenter, squareSize, angle + Mathf.PI / 2, Color.black, Color.white);
DrawRotatedShape(texture, outerSquareCenter, squareSize, angle + Mathf.PI / 2, shift, Color.black, Color.white);
}

// Draw inner layer of rotated squares
for (int i = 0; i < numSquares; i++)
{
float angle = 2 * Mathf.PI * i / numSquares;
Vector2 innerSquareCenter = center + new Vector2(Mathf.Cos(angle), Mathf.Sin(angle)) * adjustedInnerRadius;
DrawRotatedSquare(texture, innerSquareCenter, innerSquareSize, angle + Mathf.PI / 2, Color.black, Color.white);
// DrawRotatedSquare(texture, innerSquareCenter, innerSquareSize, angle + Mathf.PI / 2, Color.black, Color.white);
DrawRotatedShape(texture, innerSquareCenter, innerSquareSize, angle + Mathf.PI / 2, shift, Color.black, Color.white);
}

// Draw the dot at the center
Expand All @@ -78,8 +83,6 @@ public Texture2D GeneratePattern(int width, int height)
}




void DrawDot(Texture2D texture, Vector2 position, int diameter, Color color)
{
int x0 = (int)position.x;
Expand Down Expand Up @@ -119,42 +122,39 @@ void DrawRotatedSquare(Texture2D texture, Vector2 center, float size, float angl
}
}



void DrawSquareMesh(Vector2 center, float size, float angle)
void DrawRotatedShape(Texture2D texture, Vector2 center, float size, float angle, float topShift, Color color1, Color color2)
{
GameObject square = new GameObject("Rotated Square");
MeshFilter meshFilter = square.AddComponent<MeshFilter>();
MeshRenderer meshRenderer = square.AddComponent<MeshRenderer>();
Mesh mesh = new Mesh();

Vector3[] vertices = new Vector3[4];
int[] triangles = { 0, 1, 2, 0, 2, 3 }; // Two triangles forming a square
Vector2 halfSize = new Vector2(size / 2, size / 2);
Vector2[] corners = new Vector2[4];

// Define the bottom corners of the square relative to the center
corners[0] = new Vector2(center.x - halfSize.x, center.y - halfSize.y); // Bottom left
corners[3] = new Vector2(center.x + halfSize.x, center.y - halfSize.y); // Bottom right

// Calculate rotated vertices
float halfSize = size / 2;
Vector2[] corners = new Vector2[]
{
new Vector2(-halfSize, -halfSize),
new Vector2(halfSize, -halfSize),
new Vector2(halfSize, halfSize),
new Vector2(-halfSize, halfSize)
};
// Adjust the top corners to horizontally shift the top line to the right to create a parallelogram
corners[1] = new Vector2(center.x - halfSize.x + topShift, center.y + halfSize.y); // Top left
corners[2] = new Vector2(center.x + halfSize.x + topShift, center.y + halfSize.y); // Top right

// Rotate corners around the center after the shift
for (int i = 0; i < 4; i++)
{
corners[i] = RotatePoint(center, corners[i], angle);
vertices[i] = new Vector3(corners[i].x, corners[i].y, 0);
}

mesh.vertices = vertices;
mesh.triangles = triangles;
mesh.RecalculateNormals();
// Colors for the lines, adjacent same color
Color[] lineColors = { color2, color2, color1, color1 };

meshFilter.mesh = mesh;
meshRenderer.material = new Material(Shader.Find("Standard"));
// Draw lines between each corner point
for (int i = 0; i < 4; i++)
{
DrawLine(texture, corners[i], corners[(i + 1) % 4], lineColors[i]);
}
}





Vector2 RotatePoint(Vector2 pivot, Vector2 point, float angle)
{
float sin = Mathf.Sin(angle);
Expand Down Expand Up @@ -202,55 +202,57 @@ void DrawLine(Texture2D texture, Vector2 start, Vector2 end, Color color, int th
}




public override float GetCurrentRatio()
{
return ((float)CurrentPatternWidth) / CurrentPatternHeight;
// return ((float)CurrentPatternWidth) / CurrentPatternHeight;
return (float)shiftSize;
}

public override float GetInitRatio()
{
return ((float)InitPatternWidth) / InitPatternHeight;
// return ((float)InitPatternWidth) / InitPatternHeight;
return (float)shiftSize;
}

void SetPatternRatio(float ratio)
{
float adjustedWidth = CurrentPatternHeight * ratio;
if (adjustedWidth < CurrentPatternWidth)
CurrentPatternWidth = Math.Min(CurrentPatternWidth - 1, (int)adjustedWidth);
else if (adjustedWidth > CurrentPatternWidth)
CurrentPatternWidth = Math.Max(CurrentPatternWidth + 1, (int)adjustedWidth);
else
Debug.Log("No change in pattern width! Really? Double check ratio!");
// float adjustedWidth = CurrentPatternHeight * ratio;
// if (adjustedWidth < CurrentPatternWidth)
// CurrentPatternWidth = Math.Min(CurrentPatternWidth - 1, (int)adjustedWidth);
// else if (adjustedWidth > CurrentPatternWidth)
// CurrentPatternWidth = Math.Max(CurrentPatternWidth + 1, (int)adjustedWidth);
// else
// Debug.Log("No change in pattern width! Really? Double check ratio!");
shiftSize = (int)ratio;
}

public override void IncreasePatternRatio()
{
// Debug.Log("current ratio: " + GetCurrentRatio() + " step: " + step);
SetPatternRatio(GetCurrentRatio() + stepSize);
// Debug.Log("after set pattern, current ratio: " + GetCurrentRatio() + " step: " + step);
GeneratePattern(CurrentPatternHeight, CurrentPatternWidth);
GeneratePattern(CurrentPatternHeight, CurrentPatternWidth, shiftSize);
}
public override void DecreasePatternRatio()
{
// Debug.Log("current ratio: " + GetCurrentRatio() + " step: " + step);
SetPatternRatio(GetCurrentRatio() - stepSize);
// Debug.Log("after set pattern, current ratio: " + GetCurrentRatio() + " step: " + step);
GeneratePattern(CurrentPatternHeight, CurrentPatternWidth);
GeneratePattern(CurrentPatternHeight, CurrentPatternWidth, shiftSize);
}

void ResetPattern()
{
CurrentPatternHeight = InitPatternHeight;
CurrentPatternWidth = InitPatternWidth;
GeneratePattern(CurrentPatternHeight, CurrentPatternWidth);
GeneratePattern(CurrentPatternHeight, CurrentPatternWidth, 1.0f);
}

public override float GetMinRatio()
{
return 0.1f;
}

public override float GetMaxRatio()
{
return GetInitRatio() * 1.2f;
Expand Down

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