Examples rendering enhanced

examples/ex_csg_utf8.m

@@ -16,7 +16,6 @@
     pl.include("shapes");
 
     pl.global_settings("assumed_gamma 1");
-    pl.axis('length', [4 4 4]);
 
     % Camera
     pl.camera('angle', 35, 'location', [28 15 10], 'look_at', [0 6 3.5], 'type', 'perspective');
@@ -28,7 +27,6 @@
     % Walls
     tex_plane  = pl.declare("tex_plane",   pl.texture('pigment_odd', [1.5 1.5 1.5], 'pigment_even', [0.1 0.1 0.1], 'finish', "phong 1 reflection {0.05 metallic 0.4}"));    
     pl.plane('normal', [1,0,0], 'distance', -10, 'texture', tex_plane', 'scale', [1 1 1], 'rotate', [0 0 0], 'translate', [0 0 1]);
-    % pl.plane('normal', [0,1,0], 'distance', 0, 'texture', tex_plane', 'scale', [1 1 1], 'rotate', [0 0 0], 'translate', [0 0 0]);
     pl.plane('normal', [0,0,1], 'distance', 0, 'texture', tex_plane', 'scale', [1 1 1], 'rotate', [0 0 0], 'translate', [0 0 0]);
 
     % Objects textures
@@ -49,9 +47,9 @@
 
     pl.difference_begin();
         pl.cone('base_point', [1 1 0], 'base_radius', 4, 'cap_point', [1 1 6], 'cap_radius', 1.5, 'texture', tex_pink);
-        pl.cylinder('base_point', [1 1 -1], 'cap_point', [1 1 8], 'radius', 1, 'texture', tex_pink);
+        pl.cylinder('base_point', [1 1 -1], 'cap_point', [1 1 8], 'radius', 1, 'texture', tex_red);
         pl.cylinder('base_point', [1 1 -1], 'cap_point', [1 1 8], 'radius', 1, 'texture', tex_blue, 'translate', [3.5 0 0]);
-        pl.cylinder('base_point', [1 1 -1], 'cap_point', [1 1 8], 'radius', 1, 'texture', tex_red, 'translate', [2.5 2.5 0]);
+        pl.cylinder('base_point', [1 1 -1], 'cap_point', [1 1 8], 'radius', 1, 'texture', tex_green, 'translate', [2.5 2.5 0]);
         pl.cylinder('base_point', [0 0 -8], 'cap_point', [0 0 10], 'radius', 1, 'texture', tex_green, 'translate', [0 2 4.5], 'rotate', [90 90 90]);    
     pl.difference_end('translate', [0 1.8 0]);
 

examples/ex_lathe_utf8.m

@@ -19,39 +19,43 @@
     pl.global_settings("assumed_gamma 1");
 
     % Camera
-    pl.camera('angle', 33, 'location', [23 7 7], 'look_at', [0 4 1.5], 'type', 'perspective');
+    pl.camera('angle', 35, 'location', [23 7 7], 'look_at', [0 4 1.5], 'type', 'perspective');
 
     % Light
-    pl.light('location', [23 6 11], 'color', [0.6 0.6 0.6]);
-
-    % Floor
-    tex = pl.declare("tex", pl.texture('pigment_odd', [4 4 4], 'pigment_even', [0 0 0], 'finish', "phong 1 reflection {0.4 metallic 0.2}"));
-    pl.plane('normal', [0,0,1], 'distance', 0, 'texture', tex,  'scale', [1 1 1], 'rotate', [0 0 0], 'translate', [0 0 0]);    
-
-    % Limit
-    tex_gray = pl.declare("tex_gray", pl.texture('pigment', [0.4 0.4 0.4], 'finish', "phong 1 reflection {0.4 metallic 0.2}"));
-    pl.plane('normal', [1,0,1], 'distance', -20, 'texture', tex_gray,  'scale', [1 1 1], 'rotate', [0 0 0], 'translate', [0 0 0]);
+    pl.light('location', [2.5 4.7 12], 'color', [0.2 0.2 0.2]);
+    pl.light('location', [8 2.7 12],   'color', [0.2 0.2 0.2]);
+    pl.light('location', [7.5 7.5 12], 'color', [0.1 0.1 0.1]);
+
+    pl.light('location', [23 7 7], 'color', [0.1 0.1 0.1]);
+
+    % Walls
+    tex_plane  = pl.declare("tex_plane", pl.texture('pigment_odd', [1.5 1.5 1.5], 'pigment_even', [0.1 0.1 0.1], 'finish', "phong 1 reflection {0.05 metallic 0.4}"));    
+    pl.plane('normal', [1,0,0], 'distance', -10, 'texture', tex_plane', 'scale', [1 1 1], 'rotate', [0 0 0], 'translate', [0 0 1]);
+    pl.plane('normal', [0,0,1], 'distance', 0, 'texture', tex_plane', 'scale', [1 1 1], 'rotate', [0 0 0], 'translate', [0 0 0]);
 
     % Bottle 1
+    tex_bottle1 = pl.declare("tex_bottle1", pl.texture('base', 'T_Vicksbottle_Glass', 'pigment', [17.5 4.2 3.2], 'finish', "ambient 0.001 diffuse 0.2 reflection 0.04 specular 24.4 roughness .0004"));
     pl.lathe('points', [0.00 0.00; 0.35 0.00; 0.62 0.54; 0.21 0.83; 0.19 1.46; 0.29 1.50; 0.26 1.53],...
             'spline_type', 'quadratic_spline',...
             'sturm', true,...
-            'texture', 'Dark_Green_Glass',...
-            'scale', [4 4 4], 'rotate', [ 90 0 0], 'translate', [6 2.8 0]);
+            'texture', tex_bottle1,...
+            'scale', [4 4 4], 'rotate', [ 90 0 0], 'translate', [7 2.7 0]);
 
     % Bottle 2
+    tex_bottle2 = pl.declare("tex_bottle3", pl.texture('base', 'T_Vicksbottle_Glass', 'pigment', [2.8 3.8 0.1], 'finish', "ambient 0.001 diffuse 0.3 reflection 0.04 specular 24.4 roughness .0004"));
     pl.lathe('points', [0.00 0.00; 0.36 0.00; 0.62 0.54; 0.21 0.83; 0.19 1.46; 0.29 1.50; 0.26 1.53],...
             'spline_type', 'quadratic_spline',...
             'sturm', true,...
-            'texture', 'Orange_Glass',...
+            'texture', tex_bottle2,...
             'scale', [2.7 3.7 2.7], 'rotate', [ 90 0 0], 'translate', [6.5 7.5 0]);
 
     % Bottle 3
+    tex_bottle3 = pl.declare("tex_bottle3", pl.texture('base', 'T_Vicksbottle_Glass', 'pigment', [4.8 1.8 0], 'finish', "ambient 0.001 diffuse 0.3 reflection 0.04 specular 24.4 roughness .0004"));
     pl.lathe('points', [0.00 0.00; 0.36 0.00; 0.62 0.54; 0.21 0.83; 0.19 1.46; 0.29 1.50; 0.26 1.53],...
             'spline_type', 'quadratic_spline',...
             'sturm', true,...
-            'texture', 'T_Winebottle_Glass',...
-            'scale', [5 3 5], 'rotate', [ 90 0 0], 'translate', [-2 4.5 0]);
+            'texture', tex_bottle3,...
+            'scale', [5 3 4], 'rotate', [ 90 0 0], 'translate', [1.5 4.7 0]);
 
 pl.scene_end();
 % Render and display

examples/ex_lights_peaks_utf8.m

@@ -16,7 +16,10 @@
     pl.include("shapes");
     pl.global_settings("assumed_gamma 1");
 
+    % Camare
     pl.camera('angle', 25, 'location', [24 20 15], 'look_at', [0 0 2.5], 'type', 'perspective');
+
+    % Light
     pl.light('location',  [10 10 10], 'color', [1 1 1]);
 
     % Light marks