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finally switched startS and endS so they're consistent

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FreezeDriedMangoes 2023-01-29 10:45:17 -05:00
parent 155b7869bb
commit cca1afe034
1 changed files with 19 additions and 18 deletions
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37
NewHorizons/Builder/Props/NomaiText/NomaiTextArcBuilder.cs
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@ -205,11 +205,11 @@ namespace NewHorizons.Builder.Props
triangles.Add(i + 1);
}
var startT = tFromArcLen(startS);
var endT = tFromArcLen(endS);
var startT = tFromArcLen(endS);
var endT = tFromArcLen(startS);
var rangeT = endT - startT;
var rangeS = endS - startS;
var rangeS = startS - endS;
Vector2[] uvs = new Vector2[newVerts.Length];
Vector2[] uv2s = new Vector2[newVerts.Length];
@ -222,8 +222,8 @@ namespace NewHorizons.Builder.Props
// will cluster points in areas of higher detail. this is the way Mobius does it, so it is the way we also will do it
float inputT = startT + rangeT * fraction;
float inputS = tToArcLen(inputT);
float sFraction = (inputS - startS) / rangeS;
float absoluteS = (inputS - startS);
float sFraction = (inputS - endS) / rangeS;
float absoluteS = (inputS - endS);
float u = absoluteS * uvScale * baseUVScale + uvOffset;
uvs[i * 2] = new Vector2(u, 0);
@ -252,6 +252,14 @@ namespace NewHorizons.Builder.Props
#region underlying math
// NOTE: startS is greater than endS because the math equation traces the spiral outward - it starts at the center
// and winds its way out. However, since we want to think of the least curly part as the start, that means we
// start at a higher S and end at a lower S
//
// note: t refers to theta, and s refers to arc length
//
// All this math is based off this Desmos graph I made. Play around with it if something doesn't make sense :)
// https://www.desmos.com/calculator/9gdfgyuzf6
public class MathematicalSpiral {
public float a;
public float b;
@ -262,8 +270,8 @@ namespace NewHorizons.Builder.Props
public float y;
public float ang;
public float startS = 42.87957f;
public float endS = 342.8796f;
public float endS = 42.87957f;
public float startS = 342.8796f;
SpiralProfile profile;
@ -287,8 +295,8 @@ namespace NewHorizons.Builder.Props
public virtual void Randomize() {
this.a = UnityEngine.Random.Range(profile.a.x, profile.a.y);
this.b = UnityEngine.Random.Range(profile.b.x, profile.b.y);
this.startS = UnityEngine.Random.Range(profile.endS.x, profile.endS.y); // idk why I flipped these, please don't hate me
this.endS = UnityEngine.Random.Range(profile.startS.x, profile.startS.y);
this.endS = UnityEngine.Random.Range(profile.endS.x, profile.endS.y);
this.startS = UnityEngine.Random.Range(profile.startS.x, profile.startS.y);
this.scale = UnityEngine.Random.Range(profile.skeletonScale.x, profile.skeletonScale.y);
}
@ -338,8 +346,8 @@ namespace NewHorizons.Builder.Props
// generate a list of <inputT, inputS> evenly distributed over the whole spiral. `numPoints` number of <inputT, inputS> pairs are generated
public IEnumerable<Vector2> WalkAlongSpiral(int numPoints) {
var endT = tFromArcLen(endS);
var startT = tFromArcLen(startS);
var endT = tFromArcLen(startS);
var startT = tFromArcLen(endS);
var rangeT = endT - startT;
for (int i = 0; i<numPoints; i++) {
@ -356,19 +364,12 @@ namespace NewHorizons.Builder.Props
}
}
// all of this math is based off of this:
// https://www.desmos.com/calculator/9gdfgyuzf6
//
// note: t refers to theta, and s refers to arc length
//
// get the (x, y) coordinates and the normal angle at the given location (measured in arcLen) of a spiral with the given parameters
// note: arcLen is inverted so that 0 refers to what we consider the start of the Nomai spiral
public Vector3 getDrawnSpiralPointAndNormal(float arcLen) {
float offsetX = this.x;
float offsetY = this.y;
float offsetAngle = this.ang;
var startS = this.endS; // I know this is funky, but just go with it for now.
var startT = tFromArcLen(startS); // this is the `t` value for the root of the spiral (the end of the non-curled side)