diff options
Diffstat (limited to 'js/lib/geom')
-rwxr-xr-x | js/lib/geom/brush-stroke.js | 460 | ||||
-rwxr-xr-x | js/lib/geom/sub-path.js | 2 |
2 files changed, 315 insertions, 147 deletions
diff --git a/js/lib/geom/brush-stroke.js b/js/lib/geom/brush-stroke.js index afeaf6e6..a3a5ed9a 100755 --- a/js/lib/geom/brush-stroke.js +++ b/js/lib/geom/brush-stroke.js | |||
@@ -7,6 +7,7 @@ No rights, expressed or implied, whatsoever to this software are provided by Mot | |||
7 | var VecUtils = require("js/helper-classes/3D/vec-utils").VecUtils; | 7 | var VecUtils = require("js/helper-classes/3D/vec-utils").VecUtils; |
8 | var GeomObj = require("js/lib/geom/geom-obj").GeomObj; | 8 | var GeomObj = require("js/lib/geom/geom-obj").GeomObj; |
9 | var CanvasController = require("js/controllers/elements/canvas-controller").CanvasController; | 9 | var CanvasController = require("js/controllers/elements/canvas-controller").CanvasController; |
10 | var ViewUtils = require("js/helper-classes/3D/view-utils").ViewUtils; | ||
10 | 11 | ||
11 | // Todo: This entire class should be converted to a module | 12 | // Todo: This entire class should be converted to a module |
12 | 13 | ||
@@ -19,14 +20,15 @@ var BrushStroke = function GLBrushStroke() { | |||
19 | /////////////////////////////////////////////////// | 20 | /////////////////////////////////////////////////// |
20 | // Instance variables | 21 | // Instance variables |
21 | /////////////////////////////////////////////////// | 22 | /////////////////////////////////////////////////// |
22 | this._Points = []; | 23 | this._Points = []; //current state of points in stage-world space (may be different from input) |
23 | this._OrigPoints = []; | 24 | this._OrigPoints = []; //copy of input points without any smoothing |
25 | this._LocalPoints = []; //_Points in local coordinates...do this before rendering the points in the canvas | ||
26 | this._stageWorldCenter = [0,0,0]; //coordinate for the canvas midPoint: a 3D vector in stage world space | ||
24 | this._BBoxMin = [0, 0, 0]; | 27 | this._BBoxMin = [0, 0, 0]; |
25 | this._BBoxMax = [0, 0, 0]; | 28 | this._BBoxMax = [0, 0, 0]; |
26 | this._dirty = true; | 29 | this._isDirty = true; |
27 | this._isInit = false; | 30 | this._isInit = false; |
28 | this._addedSamples = false; | 31 | |
29 | this._storedOrigPoints = false; | ||
30 | 32 | ||
31 | //whether or not to use the canvas drawing to stroke/fill | 33 | //whether or not to use the canvas drawing to stroke/fill |
32 | this._useCanvasDrawing = true; | 34 | this._useCanvasDrawing = true; |
@@ -57,7 +59,7 @@ var BrushStroke = function GLBrushStroke() { | |||
57 | this._MIN_SAMPLE_DISTANCE_THRESHOLD = 2; | 59 | this._MIN_SAMPLE_DISTANCE_THRESHOLD = 2; |
58 | 60 | ||
59 | //prevent extremely long paths that can take a long time to render | 61 | //prevent extremely long paths that can take a long time to render |
60 | this._MAX_ALLOWED_SAMPLES = 500; | 62 | this._MAX_ALLOWED_SAMPLES = 5000; |
61 | 63 | ||
62 | //drawing context | 64 | //drawing context |
63 | this._world = null; | 65 | this._world = null; |
@@ -67,6 +69,7 @@ var BrushStroke = function GLBrushStroke() { | |||
67 | this._planeMat = null; | 69 | this._planeMat = null; |
68 | this._planeMatInv = null; | 70 | this._planeMatInv = null; |
69 | this._planeCenter = null; | 71 | this._planeCenter = null; |
72 | this._dragPlane = null; | ||
70 | 73 | ||
71 | ///////////////////////////////////////////////////////// | 74 | ///////////////////////////////////////////////////////// |
72 | // Property Accessors/Setters | 75 | // Property Accessors/Setters |
@@ -107,6 +110,10 @@ var BrushStroke = function GLBrushStroke() { | |||
107 | this._planeCenter = pc; | 110 | this._planeCenter = pc; |
108 | }; | 111 | }; |
109 | 112 | ||
113 | this.setDragPlane = function(p){ | ||
114 | this._dragPlane = p; | ||
115 | }; | ||
116 | |||
110 | this.getCanvasX = function(){ | 117 | this.getCanvasX = function(){ |
111 | return this._canvasX; | 118 | return this._canvasX; |
112 | }; | 119 | }; |
@@ -141,25 +148,32 @@ var BrushStroke = function GLBrushStroke() { | |||
141 | var diffPtMag = Math.sqrt(diffPt[0]*diffPt[0] + diffPt[1]*diffPt[1]); | 148 | var diffPtMag = Math.sqrt(diffPt[0]*diffPt[0] + diffPt[1]*diffPt[1]); |
142 | if (diffPtMag>threshold){ | 149 | if (diffPtMag>threshold){ |
143 | this._Points.push(pt); | 150 | this._Points.push(pt); |
144 | this._dirty=true; | 151 | this._isDirty=true; |
152 | this._isInit = false; | ||
145 | } | 153 | } |
146 | } else { | 154 | } else { |
147 | this._Points.push(pt); | 155 | this._Points.push(pt); |
148 | this._dirty=true; | 156 | this._isDirty=true; |
157 | this._isInit = false; | ||
149 | } | 158 | } |
150 | }; | 159 | }; |
151 | 160 | ||
152 | this.insertPoint = function(pt, index){ | 161 | this.insertPoint = function(pt, index){ |
153 | this._Points.splice(index, 0, pt); | 162 | this._Points.splice(index, 0, pt); |
154 | this._dirty=true; | 163 | this._isDirty=true; |
164 | this._isInit = false; | ||
155 | }; | 165 | }; |
156 | 166 | ||
157 | this.isDirty = function(){ | 167 | this.isDirty = function(){ |
158 | return this._dirty; | 168 | return this._isDirty; |
159 | }; | 169 | }; |
160 | 170 | ||
161 | this.makeDirty = function(){ | 171 | this.makeDirty = function(){ |
162 | this._dirty=true; | 172 | this._isDirty=true; |
173 | }; | ||
174 | |||
175 | this.getStageWorldCenter = function() { | ||
176 | return this._stageWorldCenter; | ||
163 | }; | 177 | }; |
164 | 178 | ||
165 | this.getBBoxMin = function () { | 179 | this.getBBoxMin = function () { |
@@ -176,7 +190,7 @@ var BrushStroke = function GLBrushStroke() { | |||
176 | 190 | ||
177 | this.setStrokeWidth = function (w) { | 191 | this.setStrokeWidth = function (w) { |
178 | this._strokeWidth = w; | 192 | this._strokeWidth = w; |
179 | this._dirty=true; | 193 | this._isDirty=true; |
180 | }; | 194 | }; |
181 | 195 | ||
182 | this.getStrokeMaterial = function () { | 196 | this.getStrokeMaterial = function () { |
@@ -184,7 +198,7 @@ var BrushStroke = function GLBrushStroke() { | |||
184 | }; | 198 | }; |
185 | 199 | ||
186 | this.setStrokeMaterial = function (m) { | 200 | this.setStrokeMaterial = function (m) { |
187 | this._strokeMaterial = m; this._dirty = true; | 201 | this._strokeMaterial = m; this._isDirty = true; |
188 | }; | 202 | }; |
189 | 203 | ||
190 | this.getStrokeColor = function () { | 204 | this.getStrokeColor = function () { |
@@ -192,17 +206,17 @@ var BrushStroke = function GLBrushStroke() { | |||
192 | }; | 206 | }; |
193 | 207 | ||
194 | this.setStrokeColor = function (c) { | 208 | this.setStrokeColor = function (c) { |
195 | this._strokeColor = c; this._dirty = true; | 209 | this._strokeColor = c; this._isDirty = true; |
196 | }; | 210 | }; |
197 | 211 | ||
198 | this.setSecondStrokeColor = function(c){ | 212 | this.setSecondStrokeColor = function(c){ |
199 | this._secondStrokeColor=c; this._dirty = true; | 213 | this._secondStrokeColor=c; this._isDirty = true; |
200 | } | 214 | } |
201 | 215 | ||
202 | this.setStrokeHardness = function(h){ | 216 | this.setStrokeHardness = function(h){ |
203 | if (this._strokeHardness!==h){ | 217 | if (this._strokeHardness!==h){ |
204 | this._strokeHardness=h; | 218 | this._strokeHardness=h; |
205 | this._dirty = true; | 219 | this._isDirty = true; |
206 | } | 220 | } |
207 | } | 221 | } |
208 | this.getStrokeHardness = function(){ | 222 | this.getStrokeHardness = function(){ |
@@ -212,7 +226,7 @@ var BrushStroke = function GLBrushStroke() { | |||
212 | this.setDoSmoothing = function(s){ | 226 | this.setDoSmoothing = function(s){ |
213 | if (this._strokeDoSmoothing!==s) { | 227 | if (this._strokeDoSmoothing!==s) { |
214 | this._strokeDoSmoothing = s; | 228 | this._strokeDoSmoothing = s; |
215 | this._dirty = true; | 229 | this._isDirty = true; |
216 | } | 230 | } |
217 | } | 231 | } |
218 | 232 | ||
@@ -223,7 +237,7 @@ var BrushStroke = function GLBrushStroke() { | |||
223 | this.setSmoothingAmount = function(a){ | 237 | this.setSmoothingAmount = function(a){ |
224 | if (this._strokeAmountSmoothing!==a) { | 238 | if (this._strokeAmountSmoothing!==a) { |
225 | this._strokeAmountSmoothing = a; | 239 | this._strokeAmountSmoothing = a; |
226 | this._dirty = true; | 240 | this._isDirty = true; |
227 | } | 241 | } |
228 | } | 242 | } |
229 | 243 | ||
@@ -234,14 +248,14 @@ var BrushStroke = function GLBrushStroke() { | |||
234 | this.setStrokeUseCalligraphic = function(c){ | 248 | this.setStrokeUseCalligraphic = function(c){ |
235 | if (this._strokeUseCalligraphic!==c){ | 249 | if (this._strokeUseCalligraphic!==c){ |
236 | this._strokeUseCalligraphic = c; | 250 | this._strokeUseCalligraphic = c; |
237 | this._dirty = true; | 251 | this._isDirty = true; |
238 | } | 252 | } |
239 | } | 253 | } |
240 | 254 | ||
241 | this.setStrokeAngle = function(a){ | 255 | this.setStrokeAngle = function(a){ |
242 | if (this._strokeAngle!==a){ | 256 | if (this._strokeAngle!==a){ |
243 | this._strokeAngle = a; | 257 | this._strokeAngle = a; |
244 | this._dirty = true; | 258 | this._isDirty = true; |
245 | }; | 259 | }; |
246 | } | 260 | } |
247 | 261 | ||
@@ -269,127 +283,276 @@ var BrushStroke = function GLBrushStroke() { | |||
269 | 283 | ||
270 | };//NO-OP for now | 284 | };//NO-OP for now |
271 | 285 | ||
286 | this.getWidth = function() { | ||
287 | if (this._isDirty){ | ||
288 | this.update(); | ||
289 | } | ||
290 | return this._BBoxMax[0]-this._BBoxMin[0]; | ||
291 | }; | ||
292 | |||
293 | this.getHeight = function() { | ||
294 | if (this._isDirty){ | ||
295 | this.update(); | ||
296 | } | ||
297 | return this._BBoxMax[1]-this._BBoxMin[1]; | ||
298 | }; | ||
299 | |||
272 | //remove all the points | 300 | //remove all the points |
273 | this.clear = function () { | 301 | this.clear = function () { |
274 | this._Points = []; | 302 | this._Points = []; |
275 | this._OrigPoints = []; | 303 | this._OrigPoints = []; |
276 | this._dirty=true; | 304 | this._isDirty=true; |
277 | } | 305 | this._isInit = false; |
306 | }; | ||
307 | |||
308 | this._addSamples = function() { | ||
309 | //**** add samples to the long sections of the path --- Catmull-Rom spline interpolation ***** | ||
310 | // instead of the following, may use 4-point subdivision iterations over continuous regions of 'long' segments | ||
311 | // look at http://www.gvu.gatech.edu/~jarek/Split&Tweak/ for formula | ||
312 | |||
313 | var numPoints = this._Points.length; | ||
314 |