Developer Documentation
Project Directory Structure
This project contains files and folders. The structure of the contents
of this folder is outlined below:
images/
This contains any images used by
the lens_experiment.html file.
js/
This contains the JavaScript
files used.
function.js - This contains all JavaScript code used by the project.
index.html
style.css – Style
Sheet for this project
This contains all HTML code used
by the project.
The function.js File
The
function.js file contains all main functionality functions used in this project
These
are defined with several method and variables, explained below.
Methods
intersect() – Find
the intersection point of two rays.
deleteray(), deleteray2() – To remove previously drawn ray
lines when dragging the mirror or object.
dragDrop() – This function works after the mirror drag from
toolbar & drop into the container.
drawImage() – When
dragging object or mirror, It is used to draw all set of ray lines and image of object for one mirror.This two
categories works five different cases such as object beyond 2F , object between
F and 2F , object at 2F , object at F , object within F.
document.getElementById('object_arrow').addEventListener('click',
function() {}) – When click the object in the toolbar, the object
will be created into the container.
arrow_object.on("dragmove", function() {}) –When drag the arrow object, this function
will work. It limits the dragging area of object up to mirror.
triangle_object.on("dragmove",
function() {}) –When drag the
triangle object, this function will work. It
limits the dragging area of object up to mirror.
square_object.on("dragmove", function() {}) –When drag the square object, this
function will work. It limits the dragging area of object up to mirror.
image.on("dragmove",
function(evt) {}) –When drag the mirror,
this function will work.
image.on('dblclick', function(evt){}) – When double click the mirror,
clicked mirror, related ray lines, related
f,2f will be deleted.
Variables
object_name – Find the name of object in the container (Arrow,
Triangle, Square).
principal_axis –Create principal axis line for
the experiment.
arrow_object – Create Arrow object
triangle_object – Create
Triangle object. square_object – Create Square object.
mirror_id – After the dropping the lens into
the container, find id of the dropped mirror.
lense_1_name – Find the
name of the fist lens in the container.
lense_2_name – Find the name of the
second lens in the container. twof_1 -
Create left 2f of the first lens.
twof_2 - Create right 2f of the first lens. focal_1 - Create left f of the first lens. focal_2 - Create right f of the first lens. twof_3 - Create left 2f of the second lens. twof_4 - Create right 2f of the second lens. focal_3 - Create left f of the second lens. focal_4 - Create right f of the second lens.
object_position_x – Find the
position of the object (Arrow, Triangle, Square).
lense_1_position – Find the position
of the first lens.
lense_2_ position – Find the position of the second lens.
slope_1 - Find slope between principal axis and the
central ray for first lens.
slope_2 - Find slope
between principal axis and the refracted ray for first lens, if it is convex lens.
lense1_ray1_end_point_x – Find the end point x coordinate of central ray
for first lens.
lense1_ray1_end_point_y – Find the end point y coordinate of central ray
for first lens.
lense1_ray2_end_point_x – Find the end point x coordinate of refracted ray
for first lens.
lense1_ray2_end_point_y – Find the end point y coordinate of refracted ray
for first lens.
central_ray – Create the central ray.
incident_ray – Create the incident ray.
focal_point_lense_1
– Find the
focal point of the first lens .According to the lens
type. If convex lens = f, if concave lens = -f.
focal_point_lense_2 – Find the focal point of the second lens
.According to the lens type. If convex lens
= f, if concave lens = -f.
intersect_point_1 -
Find intersected point of refracted ray and central ray of first lens for all three objects.
intersect_point_1_tri_squ -
Find intersected point of refracted ray and central
ray of first lens for triangle, square object’s left upper corner point.
image_1 – Create the image of the object for both lens, if
it is one lens Experiment.
refracted_ray_convex – Create refracted ray, if the first lens is convex
lens.
intersect_point_2 -
Find intersected point of refracted ray and central ray of second lens if the first lens is Convex for all
three objects.
intersect_point_2_tri_squ - Find intersected point of refracted ray and
central ray of second lens if the first lens
is Convex for triangle, square object’s left upper corner point.
image_2 – Create the image of the object, if the first lens
is convex for two lens Experiment.
reflected_ray – Create reflected ray for the first lens, if it is
convex.
slope_3 - Find slope between principal axis and the
refracted ray for first lens, if it is
concave lens.
refracted_ray_concave – Create the refracted ray, if the first lens is
concave lens.
reflected_ray_concave -
Create reflected ray for the first lens, if it is concave.
intersect_point_3 -
Find intersected point of refracted ray and central ray of second lens if the first lens is Concave for all
three objects.
intersect_point_3_tri_squ
- Find intersected point of refracted ray and
central ray of second lens if the first lens
is Concave for triangle, square object’s left upper corner point.
image_3 – Create the image of the object, if the first lens
is concave for two lens Experiment.
reflected_ray_lense2_1, reflected_ray_lense2_2,
reflected_ray_lense2_3, reflected_ray_lense2_4 – Create the reflected ray for the second lens.
lense2_ray1_end_point_y -
Find the end point x coordinate of refracted ray for
second lens.
lense_instance – Find the lens, When double click the object to
remove.
lense_instance_id -
Find id of the lens, when double click the object to remove.
Project Directory Structure
This project contains files and folders. The structure of the contents
of this folder is outlined below:
This contains any images used by
the lens_experiment.html file.
This contains the JavaScript
files used.
function.js - This contains all JavaScript code used by the project.
index.html
This contains all HTML code used
by the project.
The function.js File
The
function.js file contains all main functionality functions used in this project
These
are defined with several method and variables, explained below.
Methods
intersect() – Find
the intersection point of two rays.
deleteray(), deleteray2() – To remove previously drawn ray
lines when dragging the mirror or object.
dragDrop() – This function works after the mirror drag from
toolbar & drop into the container.
drawImage() – When
dragging object or mirror, It is used to draw all set of ray lines and image of object for one mirror.This two
categories works five different cases such as object beyond 2F , object between
F and 2F , object at 2F , object at F , object within F.
document.getElementById('object_arrow').addEventListener('click',
function() {}) – When click the object in the toolbar, the object
will be created into the container.
arrow_object.on("dragmove", function() {}) –When drag the arrow object, this function
will work. It limits the dragging area of object up to mirror.
triangle_object.on("dragmove",
function() {}) –When drag the
triangle object, this function will work. It
limits the dragging area of object up to mirror.
square_object.on("dragmove", function() {}) –When drag the square object, this
function will work. It limits the dragging area of object up to mirror.
image.on("dragmove",
function(evt) {}) –When drag the mirror,
this function will work.
image.on('dblclick', function(evt){}) – When double click the mirror,
clicked mirror, related ray lines, related
f,2f will be deleted.
Variables
object_name – Find the name of object in the container (Arrow,
Triangle, Square).
principal_axis –Create principal axis line for
the experiment.
arrow_object – Create Arrow object
triangle_object – Create
Triangle object. square_object – Create Square object.
mirror_id – After the dropping the lens into
the container, find id of the dropped mirror.
lense_1_name – Find the
name of the fist lens in the container.
lense_2_name – Find the name of the
second lens in the container. twof_1 -
Create left 2f of the first lens.
twof_2 - Create right 2f of the first lens. focal_1 - Create left f of the first lens. focal_2 - Create right f of the first lens. twof_3 - Create left 2f of the second lens. twof_4 - Create right 2f of the second lens. focal_3 - Create left f of the second lens. focal_4 - Create right f of the second lens.
object_position_x – Find the
position of the object (Arrow, Triangle, Square).
lense_1_position – Find the position
of the first lens.
lense_2_ position – Find the position of the second lens.
slope_1 - Find slope between principal axis and the
central ray for first lens.
slope_2 - Find slope
between principal axis and the refracted ray for first lens, if it is convex lens.
lense1_ray1_end_point_x – Find the end point x coordinate of central ray
for first lens.
lense1_ray1_end_point_y – Find the end point y coordinate of central ray
for first lens.
lense1_ray2_end_point_x – Find the end point x coordinate of refracted ray
for first lens.
lense1_ray2_end_point_y – Find the end point y coordinate of refracted ray
for first lens.
central_ray – Create the central ray.
incident_ray – Create the incident ray.
focal_point_lense_1
– Find the
focal point of the first lens .According to the lens
type. If convex lens = f, if concave lens = -f.
focal_point_lense_2 – Find the focal point of the second lens
.According to the lens type. If convex lens
= f, if concave lens = -f.
intersect_point_1 -
Find intersected point of refracted ray and central ray of first lens for all three objects.
intersect_point_1_tri_squ -
Find intersected point of refracted ray and central
ray of first lens for triangle, square object’s left upper corner point.
image_1 – Create the image of the object for both lens, if
it is one lens Experiment.
refracted_ray_convex – Create refracted ray, if the first lens is convex
lens.
intersect_point_2 -
Find intersected point of refracted ray and central ray of second lens if the first lens is Convex for all
three objects.
intersect_point_2_tri_squ - Find intersected point of refracted ray and
central ray of second lens if the first lens
is Convex for triangle, square object’s left upper corner point.
image_2 – Create the image of the object, if the first lens
is convex for two lens Experiment.
reflected_ray – Create reflected ray for the first lens, if it is
convex.
slope_3 - Find slope between principal axis and the
refracted ray for first lens, if it is
concave lens.
posted by Kalaiyarasi Ganeshalingam @ 10:02 PM
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