From aa8cc634bafb86409389321a9b120da91935c853 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miloslav=20=C4=8C=C3=AD=C5=BE?= <tastyfish@seznam.cz>
Date: Thu, 30 May 2019 20:01:01 +0200
Subject: [PATCH] Add writeTransform3D

---
 small3dlib.h |  6 ++++++
 testSDL.c    | 28 +++++++++++++++++++++-------
 2 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/small3dlib.h b/small3dlib.h
index e7ee9e8..f59ff37 100644
--- a/small3dlib.h
+++ b/small3dlib.h
@@ -351,6 +351,12 @@ typedef struct
   S3L_Vec4 scale;
 } S3L_Transform3D;
 
+#define S3L_writeTransform3D(t)\
+  printf("Transform3D: T = [%d %d %d], R = [%d %d %d], S = [%d %d %d]\n",\
+    (t).translation.x,(t).translation.y,(t).translation.z,\
+    (t).rotation.x,(t).rotation.y,(t).rotation.z,\
+    (t).scale.x,(t).scale.y,(t).scale.z)
+
 static inline void S3L_initTransoform3D(S3L_Transform3D *t);
 
 /** Converts rotation transformation to three direction vectors of given length
diff --git a/testSDL.c b/testSDL.c
index 949befa..0b9a175 100644
--- a/testSDL.c
+++ b/testSDL.c
@@ -95,6 +95,8 @@ void drawPixel(S3L_PixelInfo *p)
 
   coords = tex_coords + p->triangleID * 6;
 
+if (p->modelID != 0)
+{
   u = S3L_interpolateBarycentric(
     0,
     0,
@@ -106,19 +108,22 @@ void drawPixel(S3L_PixelInfo *p)
     15,
     0,
     p->barycentric[0], p->barycentric[1], p->barycentric[2]);
-/*
+}
+else
+{
   u = S3L_interpolateBarycentric(
     coords[0],
     coords[2],
     coords[4],
-    p->barycentric0, p->barycentric1, p->barycentric2);
+    p->barycentric[0], p->barycentric[1], p->barycentric[2]);
 
   v = S3L_interpolateBarycentric(
     coords[1],
     coords[3],
     coords[5],
-    p->barycentric0, p->barycentric1, p->barycentric2);
-*/
+    p->barycentric[0], p->barycentric[1], p->barycentric[2]);
+}
+
   uint8_t col = texturePixel(u,v);
   uint8_t dep = (p->depth / 5000.0) * 255;
 
@@ -144,8 +149,8 @@ void draw()
 
   uint32_t f = frame;
 
-  scene.models[0].transform.rotation.z = f * 0.1;
-  scene.models[0].transform.rotation.x = f * 0.3;
+  //scene.models[0].transform.rotation.z = f * 0.1;
+  //scene.models[0].transform.rotation.x = f * 0.3;
 
   S3L_drawScene(scene);
 
@@ -163,7 +168,16 @@ int main()
 
   S3L_initCamera(&scene.camera);
 
-  scene.camera.transform.translation.z = -S3L_FRACTIONS_PER_UNIT * 2;
+//  scene.camera.transform.translation.z = -S3L_FRACTIONS_PER_UNIT * 2;
+
+scene.camera.transform.translation.x = 105;
+scene.camera.transform.translation.y = 469;
+scene.camera.transform.translation.z = 9;
+
+scene.camera.transform.rotation.x = -35;
+scene.camera.transform.rotation.y = 128;
+scene.camera.transform.rotation.z = 0;
+
   scene.modelCount = 2;
   scene.models = models;