Members
MAX_CACHE_SIZE :number
Maximum number of elements in the cache before flushing.
Type:
- number
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Methods
begin()
Begin the drawing process. This method is called at the beginning of each frame.
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compileShader(gl, source, type) → {WebGLShader}
Compile a shader.
Parameters:
| Name | Type | Description |
|---|---|---|
gl |
WebGLRenderingContext | |
source |
string | |
type |
number |
- Source:
Returns:
- Type
- WebGLShader
createRectangleFromLine(p1, p2, widthopt)
Create a rectangle from a line segment. Since WebGL lineWidth is not widely supported, this method creates a rectangle with the given width to render the line segment or ray.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
p1 |
Point | |||
p2 |
Point | |||
width |
number |
<optional> |
1 |
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destroy()
Destroy the renderer and release resources.
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drawDashedSegment(s, coloropt, lineDashopt)
Draw a dashed segment.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
s |
Line | |||
color |
Array.<number> |
<optional> |
[0, 0, 0, 1] | |
lineDash |
Array.<number> |
<optional> |
[] |
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drawPoint(p, coloropt, sizeopt)
Draw a point.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
p |
Point | |||
color |
Array.<number> |
<optional> |
[0, 0, 0, 1] | |
size |
number |
<optional> |
5 |
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drawRay(r, coloropt, showArrowopt, lineDashopt)
Draw a ray.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
r |
Line | |||
color |
Array.<number> |
<optional> |
[0, 0, 0, 1] | |
showArrow |
boolean |
<optional> |
false | |
lineDash |
Array.<number> |
<optional> |
[] |
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drawSegment(s, coloropt, showArrowopt, lineDashopt)
Draw a segment.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
s |
Line | |||
color |
Array.<number> |
<optional> |
[0, 0, 0, 1] | |
showArrow |
boolean |
<optional> |
false | |
lineDash |
Array.<number> |
<optional> |
[] |
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flush()
Flush the caches and render the accumulated rays, segments, and points. This method is called when the cache size exceeds the maximum cache size, when the simulation is paused, or when the simulation is completed.
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initializeFramebuffer()
Initialize the framebuffer and textures.
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initializeShaders()
Initialize shaders.
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preprocessColor(color) → {Array.<number>}
Preprocess color for gamma correction and normalization.
Parameters:
| Name | Type | Description |
|---|---|---|
color |
Array.<number> |
- Source:
Returns:
- Type
- Array.<number>