I can't get this matrix work correctly in Three.js, and the component is never mirrored, resulting in the behaviour that can be seen in the picture. This works correctly in my exporter/importer, I can reapply this matrix on Three.js side.īut when that already rotated component is also mirrored, the matrix looks like this: 0.33, 0.58, -0.74 So I can detect that flip easily and all is fine.īut if I arbitrarily rotate the same component (unflipped) an a couple of axes, the matrix looks like this: -0.33, -0.58, 0,74 For a plain unrotated/unscaled/unflipped component the matrix is: 1.0, 0.0, 0.0įor a flipped (mirrored) component the matrix can be: -1.0, 0.0, 0.0 Thanks to Thomthom, I was able to detect and apply correct flipping for objects that are not rotated. Still struggling to apply this information, but getting closer based on this information: Note 3) If the geometries are flipped / mirrored using the scale tool instead of flip along tool (effectively the same result), they work correctly. Note 2) Although I believe this to be a SketchUp Ruby API issue, I tagged this with Three.js just in case there is something obvious I'm missing in regards to mirroring and Matrixes. Note 1) I have observed similar buggy behaviour in the built-in SketchUp Collada exporter (when loading them with Three.js ColladaLoader). How can I properly take these flipped geometries into account? Do they have some kind of separate matrix, or entity flag in SU Ruby?
Here's an example result the rest of the model is fine, but the boat is obviously created using flipped boat halves, and in this picture they appear all over the place: I can get a transformation matrix, and convert it (see this question of mine how), however it does not work for these flipped objects. I can not find any SU Ruby method to find out whether any given entity has this flip along applied.
Simply put, the flip along is not respected. I tried to modify the mirror texture in enscape texture, it did not help. Image for Mirror with integrated horizontal LED light band and defogger 140 x 70cm.
#In sketchup mirror image download#
I tried mirror01 and mirror02 textures in sketchup, the results are the same. Sketchup sanitary - mirrors - Download BIM objects or save to your. Move the cursor to define the offset dimension. Click one of your selected line segments or the face you want to offset. How do you offset in SketchUp Select the Offset tool ( ) or press the F key. In the menubar, select Image > Mirror Layer. I'm having troubles with some component/group transformations, and tracked it down to mirroring, or geometry that has "flip along" applied for some axis. 1 Hi All, I work in sketchup and in case of big mirror surfaces, the enscape render does not look realistic. How do you mirror an Image in sketchbook Select the layer you want to flip. I then recreate the geometry in Three.js using the exported data. I'm writing a custom SketchUp export plugin in Ruby. 2.
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