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Add stroke drawing functionality to the mesh debugger. 

It's disabled by default, but it can be enabled by editing the code.
This commit is contained in:
Patrick Walton 2017-12-20 13:41:31 -08:00
parent f04f39afd6
commit f58d3a8512
1 changed files with 35 additions and 19 deletions
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54
demo/client/src/mesh-debugger.ts
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@ -52,6 +52,7 @@ const SEGMENT_POINT_FILL_STYLE: string = "rgb(0, 0, 128)";
const LIGHT_STROKE_STYLE: string = "rgb(192, 192, 192)";
const LINE_STROKE_STYLE: string = "rgb(0, 128, 0)";
const CURVE_STROKE_STYLE: string = "rgb(128, 0, 0)";
const SEGMENT_LINE_STROKE_STYLE: string = "rgb(128, 192, 128)";
const SEGMENT_CONTROL_POINT_FILL_STYLE: string = "rgb(255, 255, 255)";
const SEGMENT_CONTROL_POINT_STROKE_STYLE: string = "rgb(0, 0, 128)";
const SEGMENT_CONTROL_POINT_HULL_STROKE_STYLE: string = "rgba(128, 128, 128, 0.5)";
@ -228,6 +229,7 @@ class MeshDebuggerView extends PathfinderView {
private drawControl: boolean = true;
private drawNormals: boolean = true;
private drawVertices: boolean = true;
private drawSegments: boolean = false;
constructor(appController: MeshDebuggerAppController) {
super();
@ -305,25 +307,25 @@ class MeshDebuggerView extends PathfinderView {
if (this.drawVertices) {
drawVertexIfNecessary(context,
drawnVertices,
upperLeftIndex,
upperLeftPosition,
invScaleFactor);
drawnVertices,
upperLeftIndex,
upperLeftPosition,
invScaleFactor);
drawVertexIfNecessary(context,
drawnVertices,
upperRightIndex,
upperRightPosition,
invScaleFactor);
drawnVertices,
upperRightIndex,
upperRightPosition,
invScaleFactor);
drawVertexIfNecessary(context,
drawnVertices,
lowerLeftIndex,
lowerLeftPosition,
invScaleFactor);
drawnVertices,
lowerLeftIndex,
lowerLeftPosition,
invScaleFactor);
drawVertexIfNecessary(context,
drawnVertices,
lowerRightIndex,
lowerRightPosition,
invScaleFactor);
drawnVertices,
lowerRightIndex,
lowerRightPosition,
invScaleFactor);
}
context.beginPath();
context.moveTo(upperLeftPosition[0], -upperLeftPosition[1]);
@ -393,7 +395,8 @@ class MeshDebuggerView extends PathfinderView {
2,
invScaleFactor,
this.drawControl,
this.drawNormals);
this.drawNormals,
this.drawSegments);
drawSegmentVertices(context,
new Float32Array(meshes.segmentCurves),
new Float32Array(meshes.segmentCurveNormals),
@ -403,7 +406,8 @@ class MeshDebuggerView extends PathfinderView {
3,
invScaleFactor,
this.drawControl,
this.drawNormals);
this.drawNormals,
this.drawSegments);
}
context.restore();
}
@ -455,7 +459,8 @@ function drawSegmentVertices(context: CanvasRenderingContext2D,
segmentSize: number,
invScaleFactor: number,
drawControl: boolean,
drawNormals: boolean) {
drawNormals: boolean,
drawSegments: boolean) {
for (let segmentIndex = 0; segmentIndex < segmentCount; segmentIndex++) {
const positionStartOffset = segmentSize * 2 * segmentIndex;
const normalStartOffset = segmentSize * segmentIndex;
@ -506,6 +511,17 @@ function drawSegmentVertices(context: CanvasRenderingContext2D,
context.restore();
drawSegmentControlPoint(context, controlPoint, invScaleFactor);
}
// TODO(pcwalton): Draw the curves too.
if (drawSegments) {
context.save();
context.strokeStyle = SEGMENT_LINE_STROKE_STYLE;
context.beginPath();
context.moveTo(position0[0], -position0[1]);
context.lineTo(position1[0], -position1[1]);
context.stroke();
context.restore();
}
}
}