From 14a1891f13a227f04f5dab773df71eda57d5f229 Mon Sep 17 00:00:00 2001 From: Josh de Leeuw Date: Fri, 19 Feb 2021 17:03:33 -0500 Subject: [PATCH] fix distance calculation --- plugins/jspsych-virtual-chinrest.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/plugins/jspsych-virtual-chinrest.js b/plugins/jspsych-virtual-chinrest.js index 2f74fc81..9d3259ef 100644 --- a/plugins/jspsych-virtual-chinrest.js +++ b/plugins/jspsych-virtual-chinrest.js @@ -423,7 +423,7 @@ jsPsych.plugins["virtual-chinrest"] = (function () { var ball_sqr_distance = (blindspot_config_data["square_pos"] - blindspot_config_data["avg_ball_pos"]) / trial_data["px2mm"]; - var viewDistance = ball_sqr_distance / Math.radians(angle); + var viewDistance = ball_sqr_distance / Math.tan(Math.radians(angle)); trial_data["view_dist_mm"] = accurateRound(viewDistance, 2); //counter and stop