Fixed: Passing cameraPos and cameraDir to the shader,

But screen began to black out by the cameraPos.

examples/webgl_raymarching_reflect.html

@@ -45,9 +45,9 @@
 
 			precision highp float;
 
-			uniform float time;
 			uniform vec2 resolution;
-			uniform vec2 mouse;
+			uniform vec3 cameraPos;
+			uniform vec3 cameraDir;
 
 			const float EPS = 0.01;
 			const float OFFSET = EPS * 100.0;
@@ -201,8 +201,8 @@
 				vec2 p = ( gl_FragCoord.xy * 2.0 - resolution ) / min( resolution.x, resolution.y );
 
 				// camera and ray
-				vec3 cPos  = vec3( mouse.x - 0.5, mouse.y * 4.0 - 0.2, time );
-				vec3 cDir  = normalize( vec3( 0.0, -0.3, 1.0 ) );
+				vec3 cPos  = cameraPos;
+				vec3 cDir  = cameraDir;
 				vec3 cUp   = cross( cDir, vec3( 1.0, 0.0 ,0.0 ) );
 				vec3 cSide = cross( cDir, cUp );
 				float targetDepth = 1.3;
@@ -273,13 +273,14 @@
 
 				scene = new THREE.Scene();
 				camera = new THREE.Camera();
+				camera.lookAt( new THREE.Vector3( 0.0, -0.3, 1.0 ) );
 
 				geometry = new THREE.PlaneBufferGeometry( 2.0, 2.0 );
 				material = new THREE.RawShaderMaterial( {
 					uniforms: {
-						time: { type: 'f', value: 0.0 },
 						resolution: { type: 'v2', value: new THREE.Vector2( 512, 512 ) },
-						mouse: { type: 'v2', value: mouse },
+						cameraPos: { type: 'v3', value: camera.getWorldPosition() },
+						cameraDir: { type: 'v3', value: camera.getWorldDirection() },
 					},
 					vertexShader: document.getElementById( 'vertex_shader' ).textContent,
 					fragmentShader: document.getElementById( 'fragment_shader' ).textContent
@@ -319,9 +320,11 @@
 
 				stats.begin();
 
-				material.uniforms.time.value = timestamp * 0.001;
+				camera.position.set( mouse.x - 0.5, mouse.y * 4, timestamp * 0.001 );
+
 				material.uniforms.resolution.value = new THREE.Vector2( canvas.width, canvas.height );
-				material.uniforms.mouse.value = mouse;
+				material.uniforms.cameraPos.value = camera.getWorldPosition();
+				material.uniforms.cameraDir.value = camera.getWorldDirection();
 				renderer.render( scene, camera );
 
 				stats.end();