Asteroids and rocks in Blender - Revision history

Mikehgentry: /* Dynamic topology (Blender 2.66 or later) */

2013-03-04T02:34:58Z

‎Dynamic topology (Blender 2.66 or later)

Mikehgentry: /* Sculpting */

2013-03-04T02:33:14Z

‎Sculpting

Mikehgentry: /* Sculpting */

2013-03-04T02:14:44Z

‎Sculpting

Mikehgentry: Add 'Sculpting'

2013-03-04T02:02:21Z

Add 'Sculpting'

Mikehgentry: /* Some final, 'manual' lumps */

2013-03-02T18:10:29Z

‎Some final, 'manual' lumps

Mikehgentry: Add to Blender category

2013-02-22T11:04:01Z

Add to Blender category

Mikehgentry: /* Basic shape */

2013-02-19T16:46:13Z

‎Basic shape

Mikehgentry: /* Basic shape */

2013-02-19T16:13:47Z

‎Basic shape

Mikehgentry: /* Surface */

2013-02-19T16:09:43Z

‎Surface

Mikehgentry: /* Basic shape */

2013-02-19T16:04:49Z

‎Basic shape

@@ Line 48: / Line 48: @@
 * 'Topology' -> 'Enable Dynamic' on the panel on the left
 * 'Collapse short edges' will remove vertices as well
 = Craters and pockmarks =

@@ Line 39: / Line 39: @@
 * Use the mode select widget on the menu at the bottom to switch to sculpt mode.
 * Click and drag across the mesh to add
-* Ctrl-click to subtract
+* Ctrl-click and drag to subtract
 == Dynamic topology (Blender 2.66 or later) ==

@@ Line 35: / Line 35: @@
 = Sculpting =
-Sculpting allows you to add or remove 'matter' from your model with repeated mouse strokes, a like simulated clay modelling.
+Sculpting allows you to add or remove 'matter' from your model with repeated mouse strokes, like simulated clay modelling.
 * Use the mode select widget on the menu at the bottom to switch to sculpt mode.

@@ Line 1: / Line 1: @@
 Pieced together from various tutorials around the net, which tend to be focused on rendering an asteroid. We don't want to render an asteroid, we want an asteroid mesh.
-= Step by step =
+= Using modifiers =
 == Basic shape ==
@@ Line 19: / Line 19: @@
 * Select the asteroid, and add two 'Displace' modifiers, attaching them to the textures you've just created. Adjust 'Strength' appropriately. Numbers in the 10 - 200 range seem sane for an asteroid of this size.
-== Some final, 'manual' lumps ==
+== A quick polish ==
-Before this stage, you'll probably want to apply the modifiers you've created to the mesh.
+You can add a 'Smooth' modifier to make it look a bit more weathered.
 * Tab to edit mode, ctrl-tab to vertex mode.
@@ Line 27: / Line 33: @@
 * Hit the 'g' key and scroll the mousewheel to set 'Proportional size' to 100 or so. You can now manually add some natural looking lumps by grabbing several vertices at a time.
-== A quick polish ==
+= Sculpting =
-You can add a 'smooth' modifier at this stage to make it look a bit more 'weathered'.
+* 'Topology' -> 'Enable Dynamic' on the panel on the left
-== Craters and pockmarks ==
+= Craters and pockmarks =
 Haven't got that far yet, run out of polygons again... :-)
-== Textures and properties ==
+= Textures and properties =
-Switch shading mode to 'Smooth'.
+Switch shading mode to 'Smooth'. tbc...
 = Tutorials and links =
@@ Line 44: / Line 61: @@
 Asteroid: http://www.youtube.com/watch?v=o7SdmYKirLI
 Rock generator script: http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Add_Mesh/Rock_Generator
 [[Category:Blender]]

@@ Line 25: / Line 25: @@
 * Tab to edit mode, ctrl-tab to vertex mode.
 * Turn on 'Proportional editing mode' with the 'o' key. Choose an appropriate 'Proportional editing falloff' on the menu at the bottom.
-* Hold the 'g' key and scroll the mousewheel to set 'Proportional size' to 100 or so. You can now manually add some natural looking lumps by grabbing several vertices at a time.
+* Hit the 'g' key and scroll the mousewheel to set 'Proportional size' to 100 or so. You can now manually add some natural looking lumps by grabbing several vertices at a time.
 == A quick polish ==

← Older revision		Revision as of 11:04, 22 February 2013
Line 44:		Line 44:
	Asteroid: http://www.youtube.com/watch?v=o7SdmYKirLI		Asteroid: http://www.youtube.com/watch?v=o7SdmYKirLI
	Rock generator script: http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Add_Mesh/Rock_Generator		Rock generator script: http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Add_Mesh/Rock_Generator
		+
		+	[[Category:Blender]]

@@ Line 8: / Line 8: @@
 * Add a lattice. Scale it appropriately to the icosphere - mine has 1000m edges.
 * Add a 'Lattice' deform modifier to the icosphere, and link it to the lattice. Don't hit apply yet.
-* Select the lattice, tab to edit mode, then give your asteroid its overall shape. You might want to increase the number of control points on the lattice using the right-hand panel's 'Object data' tab.
+* Select the lattice, tab to edit mode, then give your asteroid its overall shape. You might want to increase the number of control points ('Object data' tab).
 == Surface ==

@@ Line 12: / Line 12: @@
 == Surface ==
-Now we're going to use some default textures to generate mesh 'noise' for the surface.
+Now we're going to use some default textures to generate 'mesh noise' for the surface.
 * Switch to Textures panel, and create two textures, one for the fine detail, one for larger perturbations.
-* Make one 'Clouds', and increase its size. 5 seems to work.
+** Make one 'Clouds', and increase its size. 5 seems to work.
-* Make one 'Distorted noise', and increase its size further again, say to 100 or 300.
+** Make one 'Distorted noise', and increase its size further again - say to 100 or 300.
-* Select the asteroid, and add 'Displace' modifiers, attaching them to the textures you've just created. Adjust 'Strength' appropriately. Numbers in the 10 - 200 range seem sane for an asteroid of this size.
+* Select the asteroid, and add two 'Displace' modifiers, attaching them to the textures you've just created. Adjust 'Strength' appropriately. Numbers in the 10 - 200 range seem sane for an asteroid of this size.
 == Some final, 'manual' lumps ==

@@ Line 7: / Line 7: @@
 * Start with an icosphere. I've given mine 4 subdivisions, and made it 500m radius.
 * Add a lattice. Scale it appropriately to the icosphere - mine has 1000m edges.
-* Add a 'Lattice deform' modifier to the icosphere, and link it to the lattice. Don't hit apply yet.
+* Add a 'Lattice' deform modifier to the icosphere, and link it to the lattice. Don't hit apply yet.
 * Select the lattice, tab to edit mode, then give your asteroid its overall shape. You might want to increase the number of control points on the lattice.