From: Tim Vaughan <timv@ughan.xyz>
Date: Fri, 17 Mar 2023 14:45:35 +0000 (+0100)
Subject: Tweeks to mandel_wall.lua example.
X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?p=raymarcher.git;a=commitdiff_plain;h=d23ea362282865ccf3e8a13051cf360e12102752

Tweeks to mandel_wall.lua example.
---

diff --git a/mandel_wall.lua b/mandel_wall.lua
index 7f55cda..de698e3 100644
--- a/mandel_wall.lua
+++ b/mandel_wall.lua
@@ -12,28 +12,31 @@ local T = Textures
 
 require "Render"
 
-
-
 local lights = {V.new{1,-1,1}}
 
 local plane_normal = V.normalize(V.new{0.0,-1,0.0})
 local texture_y = V.normalize(V.cross(plane_normal,V.x))
 local texture_x = V.cross(texture_y,plane_normal)
 
+local inside_pigment = T.make_image_pigment("textures/parquet2.ppm", 1)
+local outside_pigment = T.make_image_pigment("textures/parquet1.ppm", 1)
+
 local scene = {
    sdf = P.make_plane(V.new{0,0,0}, plane_normal,
                       T.make_phong_texture(lights,
                                            T.map_rectangular(
                                               T.make_mandelbrot_pigment(
-                                                 T.make_image_pigment("images/wood1.ppm",1),
-                                                 T.make_image_pigment("images/wood2.ppm",1),
-                                                 20),
+                                                 inside_pigment,
+                                                 outside_pigment,
+                                                 100), -- Iterations
                                               texture_x, texture_y),
                                            0.2, 1.0, 0, 1)),
 
-   camera = {location = V.new{0,-5,0},
-             point_at = V.new{0,0,0},
+   camera = {location = V.new{-0.5,-5,0},
+             point_at = V.new{-0.5,0,0},
              right = V.x,
              fov = 1}}
 
-Render.render(scene, 1280, 960, "mandel_wall.ppm")
+-- Render.render(scene, 320, 200, "mandel_wall.ppm")
+-- Render.render(scene, 1280, 960, "mandel_wall.ppm")
+Render.render(scene, 2560, 1440, "out/mandel_wall.ppm")