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Normals and Transparency Tutorial: Difference between revisions
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Robot: Cosmetic changes
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Here you can download the [[Media:box.blend|box.blend]] file. | Here you can download the [[Media:box.blend|box.blend]] file. | ||
[[ | [[File:blender-ac3d-normals_html_m74d3a410.jpg]] | ||
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Now, remember that in order to see normals you have to be in Edit Mode. While in Object Mode you can't see them. | Now, remember that in order to see normals you have to be in Edit Mode. While in Object Mode you can't see them. | ||
[[ | [[File:blender-ac3d-normals_html_6305e44f.jpg]] | ||
=== AC3D === | === AC3D === | ||
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I exported the box to a [[Media:box.ac|box.ac]] file, in order to get you an idea how things work with other modelling software. In this case I used the AC3D file format because FGFS uses AC3D files very often, and there are a couple of things you should know about that. | I exported the box to a [[Media:box.ac|box.ac]] file, in order to get you an idea how things work with other modelling software. In this case I used the AC3D file format because FGFS uses AC3D files very often, and there are a couple of things you should know about that. | ||
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There's a way to make Blender consider a face to be visible from both sides: you use the material property called “Double Sided” (which is set by default). But why (if that's the default) we got one-sided faces in our AC3D exported box? That's because the AC3D exporter plugin does not take into account this material attribute, it simply discards it. | There's a way to make Blender consider a face to be visible from both sides: you use the material property called “Double Sided” (which is set by default). But why (if that's the default) we got one-sided faces in our AC3D exported box? That's because the AC3D exporter plugin does not take into account this material attribute, it simply discards it. | ||
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As you see, while in UV Face Select mode you have the same view as with AC3D, you only see positive faces' sides (in this case only face A) only, the others are rendered as being transparent. | As you see, while in UV Face Select mode you have the same view as with AC3D, you only see positive faces' sides (in this case only face A) only, the others are rendered as being transparent. | ||
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I start with a basic polygon object in Blender. The file is [[Media:schermo.blend|schermo.blend]]. | I start with a basic polygon object in Blender. The file is [[Media:schermo.blend|schermo.blend]]. | ||
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Now, in UV Face Select mode, select a few faces (I selected all of them expect the two marked as I and II), hit the Editing (F9) button, hit the Twoside button, and finally hit the Copy Draw Mode button. This will make the selected faces UV mapping double-sided and tell (later on) the AC3D eporter plugin to consider those faces as double-sided. | Now, in UV Face Select mode, select a few faces (I selected all of them expect the two marked as I and II), hit the Editing (F9) button, hit the Twoside button, and finally hit the Copy Draw Mode button. This will make the selected faces UV mapping double-sided and tell (later on) the AC3D eporter plugin to consider those faces as double-sided. | ||
[[ | [[File:blender-ac3d-normals_html_m2b0949d2.jpg]] | ||
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Exporting this to AC3D format will get the file [[Media:schermo3.ac|schermo3.ac]] . | Exporting this to AC3D format will get the file [[Media:schermo3.ac|schermo3.ac]] . | ||
[[ | [[File:blender-ac3d-normals_html_1b6ede36.jpg]] | ||
[[ | [[File:blender-ac3d-normals_html_5ba51d69.jpg]] | ||