添加关照、全局等高线、修改图层问题

static/sdk/three/jsm/shaders/VelocityShader.js

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+import {
+	UniformsLib,
+	UniformsUtils,
+	Matrix4
+} from 'three';
+
+/**
+ * Mesh Velocity Shader @bhouston
+ */
+
+const VelocityShader = {
+
+	name: 'VelocityShader',
+
+	uniforms: UniformsUtils.merge( [
+		UniformsLib.common,
+		UniformsLib.displacementmap,
+		{
+			modelMatrixPrev: { value: new Matrix4() },
+			currentProjectionViewMatrix: { value: new Matrix4() },
+			previousProjectionViewMatrix: { value: new Matrix4() }
+		}
+	] ),
+
+	vertexShader: /* glsl */`
+#define NORMAL
+
+#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )
+
+	varying vec3 vViewPosition;
+
+#endif
+
+#include <common>
+#include <packing>
+#include <uv_pars_vertex>
+#include <displacementmap_pars_vertex>
+#include <normal_pars_vertex>
+#include <morphtarget_pars_vertex>
+#include <skinning_pars_vertex>
+#include <logdepthbuf_pars_vertex>
+#include <clipping_planes_pars_vertex>
+
+uniform mat4 previousProjectionViewMatrix;
+uniform mat4 currentProjectionViewMatrix;
+
+uniform mat4 modelMatrixPrev;
+
+varying vec4 clipPositionCurrent;
+varying vec4 clipPositionPrevious;
+
+void main() {
+
+
+	#include <uv_vertex>
+
+	#include <beginnormal_vertex>
+	#include <morphnormal_vertex>
+	#include <skinbase_vertex>
+	#include <skinnormal_vertex>
+	#include <defaultnormal_vertex>
+	#include <normal_vertex>
+
+	#include <begin_vertex>
+	#include <morphtarget_vertex>
+	#include <displacementmap_vertex>
+	#include <morphtarget_vertex>
+	#include <skinning_vertex>
+
+#ifdef USE_SKINNING
+
+	vec4 mvPosition = modelViewMatrix * skinned;
+	clipPositionCurrent  = currentProjectionViewMatrix * modelMatrix * skinned;
+	clipPositionPrevious = previousProjectionViewMatrix * modelMatrixPrev * skinned;
+
+#else
+
+	vec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );
+	clipPositionCurrent  = currentProjectionViewMatrix * modelMatrix * vec4( transformed, 1.0 );
+	clipPositionPrevious = previousProjectionViewMatrix * modelMatrixPrev * vec4( transformed, 1.0 );
+
+#endif
+
+	gl_Position = projectionMatrix * mvPosition;
+
+	#include <logdepthbuf_vertex>
+	#include <clipping_planes_vertex>
+}
+`,
+	fragmentShader: /* glsl */`
+#define NORMAL
+
+uniform float opacity;
+
+#include <packing>
+#include <uv_pars_fragment>
+#include <map_pars_fragment>
+#include <alphamap_pars_fragment>
+#include <alphatest_pars_fragment>
+#include <logdepthbuf_pars_fragment>
+#include <clipping_planes_pars_fragment>
+
+varying vec4 clipPositionCurrent;
+varying vec4 clipPositionPrevious;
+
+void main() {
+
+	vec4 diffuseColor = vec4( 1.0 );
+	diffuseColor.a = opacity;
+
+	#include <map_fragment>
+	#include <alphamap_fragment>
+	#include <alphatest_fragment>
+
+	vec2 ndcPositionCurrent  = clipPositionCurrent.xy/clipPositionCurrent.w;
+	vec2 ndcPositionPrevious = clipPositionPrevious.xy/clipPositionPrevious.w;
+	vec2 vel = ( ndcPositionCurrent - ndcPositionPrevious ) * 0.5;
+	vel = vel * 0.5 + 0.5;
+	vec2 v1 = packDepthToRG(vel.x);
+	vec2 v2 = packDepthToRG(vel.y);
+	gl_FragColor = vec4(v1.x, v1.y, v2.x, v2.y);
+
+	#include <logdepthbuf_fragment>
+
+}
+
+`
+};
+
+export { VelocityShader };