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Merge pull request #3 from sariug/clipping_as_a_new_file
Clipping as a new file
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,143 @@ | ||
| /* Goxel 3D voxels editor | ||
| * | ||
| * copyright (c) 2017 Guillaume Chereau <guillaume@noctua-software.com> | ||
| * | ||
| * Goxel is free software: you can redistribute it and/or modify it under the | ||
| * terms of the GNU General Public License as published by the Free Software | ||
| * Foundation, either version 3 of the License, or (at your option) any later | ||
| * version. | ||
| * Goxel is distributed in the hope that it will be useful, but WITHOUT ANY | ||
| * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | ||
| * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more | ||
| * details. | ||
| * You should have received a copy of the GNU General Public License along with | ||
| * goxel. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
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| #include "goxel.h" | ||
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| void clip_init(void) | ||
| { | ||
| goxel.clipping.clip=true; | ||
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| float bbox[4][4]; | ||
| box_get_bbox(goxel.image->active_layer->box,bbox); | ||
| goxel.clipping.origin[0] = bbox[3][0]; | ||
| goxel.clipping.origin[1] = bbox[3][1]; | ||
| goxel.clipping.origin[2] = bbox[3][2]; | ||
| } | ||
| void clip_cancel() | ||
| { | ||
| goxel.clipping.clip=false; | ||
| } | ||
|
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| static layer_t *clip_layer(image_t *img, layer_t *layer) | ||
| { | ||
| layer_t *clipped_layer; | ||
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| img = img?:goxel.image; | ||
| layer = layer?:img->active_layer; | ||
| layer->visible=false; // Hide the clipped layer | ||
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| clipped_layer = image_duplicate_layer(img,layer); | ||
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| mesh_iterator_t iter; | ||
| mesh_t *mesh2clip = clipped_layer->mesh; | ||
| mesh_accessor_t accessor; | ||
| int vp[3]; | ||
| float dot, p[3], p_vec[3]; | ||
| uint8_t new_value[4]; | ||
| for(int i = 0;i<4;i++) | ||
| new_value[i]=0; | ||
| iter = mesh_get_iterator(mesh2clip,MESH_ITER_VOXELS); | ||
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| accessor = mesh_get_accessor(mesh2clip); | ||
| while (mesh_iter(&iter, vp)) { | ||
| vec3_set(p, vp[0] + 0.5, vp[1] + 0.5, vp[2] + 0.5); | ||
| for(int i = 0;i<3;i++) | ||
| p_vec[i]=p[i]- goxel.clipping.origin[i]; | ||
| vec3_normalize(p_vec,p_vec); | ||
| dot = vec3_dot(p_vec, goxel.clipping.normal); | ||
| if (dot>0) | ||
| mesh_set_at(mesh2clip, &accessor, vp,new_value); | ||
| } | ||
| goxel.clipping.clip=false; | ||
| // Update name | ||
| strcat(clipped_layer->name,"_clipped"); | ||
| return clipped_layer; | ||
| } | ||
|
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| static void clipping_normal_x() | ||
| { | ||
| vec3_set(goxel.clipping.normal, 1, 0, 0); | ||
| } | ||
| static void clipping_normal_y() | ||
| { | ||
| vec3_set(goxel.clipping.normal, 0, 1, 0); | ||
| } | ||
| static void clipping_normal_z() | ||
| { | ||
| vec3_set(goxel.clipping.normal, 0, 0, 1); | ||
| } | ||
| static void clipping_normal_cam() | ||
| { | ||
| camera_t *camera = goxel.image->active_camera; | ||
| float cam_normal[3]; | ||
| vec3_sub(camera->mat[3],goxel.clipping.origin, cam_normal); | ||
| vec3_normalize(cam_normal,goxel.clipping.normal); | ||
| } | ||
| static void clipping_invert_normal() | ||
| { | ||
| vec3_mul(goxel.clipping.normal,-1,goxel.clipping.normal); | ||
| } | ||
| ACTION_REGISTER(clipping_invert_normal, | ||
| .help = "Cliping normal is being inverted.", | ||
| .cfunc = clipping_invert_normal, | ||
| .csig = "vpp", | ||
| .flags = ACTION_TOUCH_IMAGE, | ||
| ) | ||
| ACTION_REGISTER(clipping_normal_x, | ||
| .help = "Cliping normal is X axis", | ||
| .cfunc = clipping_normal_x, | ||
| .csig = "vpp", | ||
| .flags = ACTION_TOUCH_IMAGE, | ||
| ) | ||
| ACTION_REGISTER(clipping_normal_y, | ||
| .help = "Cliping normal is Y axis", | ||
| .cfunc = clipping_normal_y, | ||
| .csig = "vpp", | ||
| .flags = ACTION_TOUCH_IMAGE, | ||
| ) | ||
| ACTION_REGISTER(clipping_normal_z, | ||
| .help = "Cliping normal is Z axis", | ||
| .cfunc = clipping_normal_z, | ||
| .csig = "vpp", | ||
| .flags = ACTION_TOUCH_IMAGE, | ||
| ) | ||
| ACTION_REGISTER(clipping_normal_cam, | ||
| .help = "Cliping normal is Camera direction", | ||
| .cfunc = clipping_normal_cam, | ||
| .csig = "vpp", | ||
| .flags = ACTION_TOUCH_IMAGE, | ||
| ) | ||
| ACTION_REGISTER(clip_init, | ||
| .help = "Start clipping the current layer", | ||
| .cfunc = clip_init, | ||
| .csig = "vpp", | ||
| .flags = ACTION_TOUCH_IMAGE, | ||
| ) | ||
| ACTION_REGISTER(clip_layer, | ||
| .help = "Clip the current layer", | ||
| .cfunc = clip_layer, | ||
| .csig = "vpp", | ||
| .flags = ACTION_TOUCH_IMAGE, | ||
| ) | ||
| ACTION_REGISTER(clip_cancel, | ||
| .help = "Cancel clipping", | ||
| .cfunc = clip_cancel, | ||
| .csig = "vpp", | ||
| .flags = ACTION_TOUCH_IMAGE, | ||
| ) |
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