From 86374384dfc48ecc6d5a4709a267d67d8ebe3a8a Mon Sep 17 00:00:00 2001
From: Samuel Walker <swalker@piwalker.net>
Date: Fri, 30 Aug 2024 20:33:43 -0600
Subject: [PATCH] Added some info to display

---
 src/main.c | 44 ++++++++++++++++++++++++++++++++++++--------
 1 file changed, 36 insertions(+), 8 deletions(-)

diff --git a/src/main.c b/src/main.c
index 27e1d06..16c1ff3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -31,6 +31,34 @@ void castRay(s16 angle){
   fix16 dx = cosFix16(ind);
   fix16 tan = FIX16(0);
   if(dx != 0) tan = fix16Div(dy, dx);
+  char str[9];
+  sprintf(str, "Ang: %4d", angle);
+  BMP_drawText(str, 20, 0);
+  char str2[13];
+  bool neg = false;
+  fix16 nsin = dy;
+  if (dy < 0){
+    neg = true;
+    nsin = 0 - nsin;
+  }
+  sprintf(str2, "Sin: %s%3d.%03d", neg ? "-" : " ", nsin >> FIX16_FRAC_BITS, 1000*fix16Frac(nsin)/(1<<FIX16_FRAC_BITS));
+  BMP_drawText(str2, 20, 1);
+  neg = false;
+  fix16 ncos = dx;
+  if (dx < 0){
+    neg = true;
+    ncos = 0 - ncos;
+  }
+  sprintf(str2, "Cos: %s%3d.%03d", neg ? "-" : " ", ncos >> FIX16_FRAC_BITS, 1000*fix16Frac(ncos)/(1<<FIX16_FRAC_BITS));
+  BMP_drawText(str2, 20, 2);
+  neg = false;
+  fix16 ntan = tan;
+  if (tan < 0){
+    neg = true;
+    ntan = 0 - ntan;
+  }
+  sprintf(str2, "Tan: %s%3d.%03d", neg ? "-" : " ", ntan >> FIX16_FRAC_BITS, 1000*fix16Frac(ntan)/(1<<FIX16_FRAC_BITS));
+  BMP_drawText(str2, 20, 3);
   fix16 aTan = FIX16(0);
   if(tan != 0) aTan = fix16Div(FIX16(-1), tan);
   s16 tanInt = fix16ToInt(fix16Mul(aTan, FIX16(100)));
@@ -152,15 +180,15 @@ void render(){
 	mapscan();
   if(angle >= 360) angle = angle - 360;
   if(angle < 0) angle = 360 + angle;
-  castRay(angle-20);
-    BMP_drawLine(&l);
-  castRay(angle-10);
-    BMP_drawLine(&l);
+  //castRay(angle-20);
+    //BMP_drawLine(&l);
+  //castRay(angle-10);
+    //BMP_drawLine(&l);
   castRay(angle);
-    BMP_drawLine(&l);
-  castRay(angle+10);
-    BMP_drawLine(&l);
-  castRay(angle+20);
+    //BMP_drawLine(&l);
+  //castRay(angle+10);
+    //BMP_drawLine(&l);
+  //castRay(angle+20);
   BMP_drawLine(&l);
   BMP_showFPS(0);