From f2729c59c3a26aa8f6807e6fbc49e9846b2656e8 Mon Sep 17 00:00:00 2001
From: neviyn <neviynhd@gmail.com>
Date: Sun, 8 Nov 2020 22:08:38 +0000
Subject: [PATCH] Added sample image output for transformations

---
 .gitignore            |  2 +-
 src/raytracer_nim.nim | 21 ++++++++++++++++++---
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/.gitignore b/.gitignore
index c7eaa46..5172e96 100644
--- a/.gitignore
+++ b/.gitignore
@@ -154,4 +154,4 @@ modules.xml
 # End of https://www.toptal.com/developers/gitignore/api/intellij+all
 
 raytracer_nim
-output.ppm
\ No newline at end of file
+*.ppm
\ No newline at end of file
diff --git a/src/raytracer_nim.nim b/src/raytracer_nim.nim
index c4a7d86..f7e5d9c 100644
--- a/src/raytracer_nim.nim
+++ b/src/raytracer_nim.nim
@@ -1,4 +1,4 @@
-import "./tuple", "./canvas"
+import "./tuple", "./canvas", "./matrix", "./transformations", math
 
 type 
   Projectile = object
@@ -10,7 +10,7 @@ type
 
 proc tick(proj: Projectile, env: Environment): Projectile = Projectile(position: proj.position + proj.velocity, velocity: proj.velocity + env.gravity + env.wind)
 
-when isMainModule:
+proc arc() =
   var world = canvas(800, 600)
   let start = point(0, 1, 0)
   let velocity = normalize(vector(0.5, 1.2, 0)) * 11.25
@@ -28,6 +28,21 @@ when isMainModule:
     if(600 - projectile.position.y + 1 < 600):
       world.writePixel(projectile.position.x, 600 - projectile.position.y + 1, colour)
     projectile = projectile.tick(environment)
-  writeFile("output.ppm", world.toPPM())
+  writeFile("arc.ppm", world.toPPM())
+
+proc clock() =
+    var world = canvas(200, 200)
+    var p = point(0.0, 0.0, 1.0)
+    let colour = colour(1, 1, 1)
+    let oneHourRotation = rotationY(PI / 6)
+    for i in 0..11:
+        let target = p.scale(60.0, 0.0, 60.0).translate(100.0, 0.0, 100.0)
+        world.writePixel(target.x, target.z, colour)
+        p = oneHourRotation * p
+    writeFile("clock.ppm", world.toPPM())
+
+when isMainModule:
+  arc()
+  clock()