diff --git a/src/script.js b/src/script.js
index 25f3c53..9d6ba41 100644
--- a/src/script.js
+++ b/src/script.js
@@ -544,22 +544,30 @@ async function draw() {
 	mat4Multiply(virtualViewMatrix, virtualViewMatrix2, virtualViewMatrix1);
 
 	// interpolated projection matrix
+	mat4Identity(virtualProjectionMatrix);
+
 	let virtualProjectionMatrix1 = [];
 	mat4BuildPerspective1(virtualProjectionMatrix1, 60.0 / 180.0 * Math.PI, cv.width / cv.height, 0.9, 5);
 	mat4Interpolate(virtualProjectionMatrix1, identity, virtualProjectionMatrix1, interpolate[2]);
+	mat4Multiply(virtualProjectionMatrix, virtualProjectionMatrix1, virtualProjectionMatrix);
 
 	let virtualProjectionMatrix2 = [];
 	mat4BuildPerspective2(virtualProjectionMatrix2, 60.0 / 180.0 * Math.PI, cv.width / cv.height, 0.9, 5);
 	mat4Interpolate(virtualProjectionMatrix2, identity, virtualProjectionMatrix2, interpolate[3]);
+	mat4Multiply(virtualProjectionMatrix, virtualProjectionMatrix2, virtualProjectionMatrix);	
 
 	let virtualProjectionMatrix3 = [];
 	mat4BuildPerspective3(virtualProjectionMatrix3, 60.0 / 180.0 * Math.PI, cv.width / cv.height, 0.9, 5);
 	mat4Interpolate(virtualProjectionMatrix3, identity, virtualProjectionMatrix3, interpolate[4]);
+	mat4Multiply(virtualProjectionMatrix, virtualProjectionMatrix3, virtualProjectionMatrix);
 
-	mat4Identity(virtualProjectionMatrix);
-	mat4Multiply(virtualProjectionMatrix, virtualProjectionMatrix, virtualProjectionMatrix3);
-	mat4Multiply(virtualProjectionMatrix, virtualProjectionMatrix, virtualProjectionMatrix2);	
-	mat4Multiply(virtualProjectionMatrix, virtualProjectionMatrix, virtualProjectionMatrix1);	
+	if (!displayMatricesVirtually) {
+		let virtualProjectionMatrix4 = [];
+		mat4BuildPerspective4(virtualProjectionMatrix4, 60.0 / 180.0 * Math.PI, cv.width / cv.height, 0.9, 5);
+		mat4Interpolate(virtualProjectionMatrix4, identity, virtualProjectionMatrix4, interpolate[5]);
+		mat4Multiply(virtualProjectionMatrix, virtualProjectionMatrix4, virtualProjectionMatrix);
+
+	}
 
 	gl.uniformMatrix4fv(virtualProjectionLocation, gl.FALSE, new Float32Array(virtualProjectionMatrix));