From 89c1ad67bc65d24ceadfa9e95f8c5515283f1e97 Mon Sep 17 00:00:00 2001
From: Normand Briere <nbriere@noware.ca>
Date: Sun, 01 Jul 2018 15:45:28 -0400
Subject: [PATCH] Reverse matrix order.
---
LA.java | 41 +++++++++++++++++++++++++----------------
1 files changed, 25 insertions(+), 16 deletions(-)
diff --git a/LA.java b/LA.java
index 87bd7d8..20a9211 100644
--- a/LA.java
+++ b/LA.java
@@ -306,6 +306,14 @@
}
+ GrafreeD.Assert(Math.abs(src[0][3]) <= 1E-15);
+ GrafreeD.Assert(Math.abs(src[1][3]) <= 1E-15);
+ GrafreeD.Assert(Math.abs(src[2][3]) <= 1E-15);
+ GrafreeD.Assert(Math.abs(src[3][3] - 1) <= 1E-15);
+ GrafreeD.Assert(Math.abs(dst[0][3]) <= 1E-15);
+ GrafreeD.Assert(Math.abs(dst[1][3]) <= 1E-15);
+ GrafreeD.Assert(Math.abs(dst[2][3]) <= 1E-15);
+ GrafreeD.Assert(Math.abs(dst[3][3] - 1) <= 1E-15);
}
static double toRadians(double degrees)
@@ -319,16 +327,16 @@
//left = right;
//right = tmp;
- for (int i = 0; i < 4; i++)
+ for (int j = 0; j < 4; j++)
{
- double[] lefti = left[i];
- double[] concati = concatTemp[i];
- for (int j = 0; j < 4; j++)
+ double[] rightj = right[j];
+ double[] concat = concatTemp[j];
+ for (int i = 0; i < 4; i++)
{
- concati[j] = 0;
+ concat[i] = 0;
for (int k = 0; k < 4; k++)
{
- concati[j] += lefti[k] * right[k][j];
+ concat[i] += left[k][i] * rightj[k];
}
}
}
@@ -345,7 +353,7 @@
//xlateTemp[0][3] = dx;
//xlateTemp[1][3] = dy;
//xlateTemp[2][3] = dz;
- matConcat(mat, xlateTemp, mat);
+ matConcat(xlateTemp, mat, mat);
}
static void matHomogene(double mat[][], double dx, double dy, double dz)
@@ -357,7 +365,7 @@
//xlateTemp[0][3] = dx;
//xlateTemp[1][3] = dy;
//xlateTemp[2][3] = dz;
- matConcat(mat, xlateTemp, mat);
+ matConcat(xlateTemp, mat, mat);
}
static void matTranslateInv(double mat[][], double dx, double dy, double dz)
@@ -369,7 +377,7 @@
//xlateTemp[0][3] = dx;
//xlateTemp[1][3] = dy;
//xlateTemp[2][3] = dz;
- matConcat(xlateTemp, mat, mat);
+ matConcat(mat, xlateTemp, mat);
}
static void matScale(double mat[][], double sx, double sy, double sz)
@@ -378,7 +386,8 @@
xlateTemp[0][0] = sx;
xlateTemp[1][1] = sy;
xlateTemp[2][2] = sz;
- matConcat(mat, xlateTemp, mat);
+ matConcat(xlateTemp, mat, mat);
+ //matConcat(mat, xlateTemp, mat);
}
static void matXRotate(double mat[][], double radians)
@@ -387,9 +396,9 @@
rotTemp[1][1] = rotTemp[2][2] = (double) Math.cos(radians);
rotTemp[2][1] = -(rotTemp[1][2] = (double) Math.sin(radians));
// if (CameraPane.LOCALTRANSFORM)
- // matConcat(rotTemp, mat, mat);
+ matConcat(rotTemp, mat, mat);
// else
- matConcat(mat, rotTemp, mat);
+ // matConcat(mat, rotTemp, mat);
}
static void matYRotate(double mat[][], double radians)
@@ -398,9 +407,9 @@
rotTemp[0][0] = rotTemp[2][2] = (double) Math.cos(-radians);
rotTemp[2][0] = -(rotTemp[0][2] = (double) Math.sin(-radians));
// if (CameraPane.LOCALTRANSFORM)
- // matConcat(rotTemp, mat, mat);
+ matConcat(rotTemp, mat, mat);
// else
- matConcat(mat, rotTemp, mat);
+ // matConcat(mat, rotTemp, mat);
}
static void matZRotate(double mat[][], double radians)
@@ -409,9 +418,9 @@
rotTemp[0][0] = rotTemp[1][1] = (double) Math.cos(radians);
rotTemp[1][0] = -(rotTemp[0][1] = (double) Math.sin(radians));
// if (CameraPane.LOCALTRANSFORM)
- // matConcat(rotTemp, mat, mat);
+ matConcat(rotTemp, mat, mat);
// else
- matConcat(mat, rotTemp, mat);
+ // matConcat(mat, rotTemp, mat);
}
// Project A onto B
--
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