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Use compose function from ol/transform

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This commit is contained in:
Frederic Junod
2019-06-04 13:23:12 +02:00
parent d4f98c8e59
commit 02ce2f4bec
1 changed files with 8 additions and 6 deletions
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src/ol/webgl/Helper.js
+8 -6
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@@ -10,11 +10,11 @@ import {clear} from '../obj.js';
import {ARRAY_BUFFER, ELEMENT_ARRAY_BUFFER, TEXTURE_2D, TEXTURE_WRAP_S, TEXTURE_WRAP_T} from '../webgl.js'; import {ARRAY_BUFFER, ELEMENT_ARRAY_BUFFER, TEXTURE_2D, TEXTURE_WRAP_S, TEXTURE_WRAP_T} from '../webgl.js';
import ContextEventType from '../webgl/ContextEventType.js'; import ContextEventType from '../webgl/ContextEventType.js';
import { import {
compose as composeTransform,
create as createTransform, create as createTransform,
reset as resetTransform, reset as resetTransform,
rotate as rotateTransform, rotate as rotateTransform,
scale as scaleTransform, scale as scaleTransform
translate as translateTransform
} from '../transform.js'; } from '../transform.js';
import {create, fromTransform} from '../vec/mat4.js'; import {create, fromTransform} from '../vec/mat4.js';
import WebGLPostProcessingPass from './PostProcessingPass.js'; import WebGLPostProcessingPass from './PostProcessingPass.js';
@@ -691,10 +691,12 @@ class WebGLHelper extends Disposable {
const center = frameState.viewState.center; const center = frameState.viewState.center;
resetTransform(transform); resetTransform(transform);
scaleTransform(transform, 2 / (resolution * size[0]), 2 / (resolution * size[1])); composeTransform(transform,
rotateTransform(transform, -rotation); 0, 0,
translateTransform(transform, -center[0], -center[1]); 2 / (resolution * size[0]), 2 / (resolution * size[1]),
-rotation,
-center[0], -center[1]
);
return transform; return transform;
} }