From 42107f9a01652cb2f47228d20c1148a2a22f6a63 Mon Sep 17 00:00:00 2001
From: Normand Briere <nbriere@noware.ca>
Date: Tue, 22 May 2018 19:33:31 -0400
Subject: [PATCH] new torus code and VR
---
Torus.java | 23 ++++++++++++++++-------
1 files changed, 16 insertions(+), 7 deletions(-)
diff --git a/Torus.java b/Torus.java
index 8f85353..af74364 100644
--- a/Torus.java
+++ b/Torus.java
@@ -61,16 +61,25 @@
if (v == 1)
v = 0;
- double uAng = LA.toRadians((1-u) * 360);
- double vAng = LA.toRadians(v * 360);
- double x = (double)Math.cos(uAng) * (major + (double)Math.cos(vAng) * minor);
- double y = (double)Math.sin(vAng) * minor;
+ double uAng = u * 2 * Math.PI;
+ double vAng = v * 2 * Math.PI;
+ double cosua = Math.cos(uAng);
+ double sinua = Math.sin(uAng);
+ double cosva = Math.cos(vAng);
+ double sinva = Math.sin(vAng);
+
+ double radius = (major + cosva * minor);
+ double x = cosua * radius;
+ double y = sinva * minor;
if (Math.abs(y) < 1E-10)
y = 0; // hashtable issue
- double z = (double)Math.sin(uAng) * (major + (double)Math.cos(vAng) * minor);
+
+ double z = sinua * radius;
cVector tPos = LA.newVector(x, y, z);
- double xx = (double)(Math.cos(uAng) * Math.cos(vAng)) * minor;
- double zz = (double)(Math.sin(uAng) * Math.cos(vAng)) * minor;
+
+ double xx = cosua * cosva * minor;
+ double zz = sinua * cosva * minor;
+
cVector tNorm = LA.newVector(xx, y, zz);
Vertex temp = new Vertex(tPos);
//temp.pos = tPos; // useless new
--
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