Edward Lance Lorilla

【VISUAL VB.NET】Add and Remove Programs
【JAVASCRIPT】 native component math operations component
【PYTHON OPENCV】Understanding cv2.dnn.blobFromImages() and cv2.dnn.imagesFromBlob() in OpenCV with cropping
【GAMEMAKER】boomerang
【GAMEMAKER】Saving

Posted: 30 Apr 2021 02:54 AM PDT

Public Class Form1

    Dim fileArgs As String    Dim path As String = "C:\Windows\System32\"    Dim cmdProcess As Process = New Process()    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click        fileArgs = "shell32.dll,Control_RunDLL appwiz.cpl,,0"        cmdProcess.StartInfo.Arguments = fileArgs        cmdProcess.StartInfo.WorkingDirectory = path        cmdProcess.StartInfo.FileName = "RunDll32.exe"        cmdProcess.Start()        cmdProcess.WaitForExit()        Me.Show()    End SubEnd Class

【JAVASCRIPT】 native component math operations component

Posted: 29 Apr 2021 08:37 PM PDT

	<div id="parent">
	<math-operations-component operation="getCircumference" initialValue="4"></math-operations-component>
	<math-operations-component operation="getCalcOneYear" initialValue="0.2,100"></math-operations-component>
	<math-operations-component operation="getLog2"></math-operations-component>
	</div>

view raw index.html hosted with ❤ by GitHub

math-operations-component

A Pen by Edward Lance Lorilla on CodePen.

License.

view raw math-operations-component.markdown hosted with ❤ by GitHub

	const pi = 3.1415;
	const euler = 2.7182;
	const ln2 = 0.693;

	class MathOperationsComponent extends HTMLElement {

	constructor() {
	super();
	this.root = this.attachShadow({mode: 'open'});
	this.container = document.createElement('div');
	this.root.appendChild(this.container);

	switch(this.getAttribute('operation')) {
	case 'getCircumference':
	const radius = this.getAttribute('initialValue');
	this.container.innerHTML = MathOperationsComponent.getTemplate(this.getCircumference(radius));
	break;
	case 'getCalcOneYear':
	const [interestRate, currentVal] = this.getAttribute('initialValue').split(',');
	this.container.innerHTML = MathOperationsComponent.getTemplate(this.getCalcOneYear(interestRate, currentVal));
	break;
	case 'getLog2':
	this.container.innerHTML = MathOperationsComponent.getTemplate(this.getLN2());
	break;
	}
	}

	getCircumference(radius) {
	return 2 * pi * radius;
	}

	getCalcOneYear(interestRate, currentVal) {
	return currentVal * (euler ** interestRate);
	}

	getLN2() {
	return ln2;
	}

	static getTemplate(value) {
	return `
	${MathOperationsComponent.getStyle()}
	<div>
	${value}
	</div>
	`;
	}

	static getStyle() {
	return `
	<style>
	div {
	padding: 5px;
	background-color: yellow;
	color; black;
	}
	</style>`;
	}
	}
	customElements.define('math-operations-component', MathOperationsComponent);

view raw script.js hosted with ❤ by GitHub

【PYTHON OPENCV】Understanding cv2.dnn.blobFromImages() and cv2.dnn.imagesFromBlob() in OpenCV with cropping

Posted: 29 Apr 2021 08:50 AM PDT

"""

Understanding cv2.dnn.blobFromImages() and cv2.dnn.imagesFromBlob() in OpenCV with cropping """ # Import required packages:import cv2import numpy as npfrom matplotlib import pyplot as plt  def get_cropped_img(img):    """Returns the cropped image"""     # Create a copy of the image:    img_copy = img.copy()     # calculate size of resulting image:    size = min(img_copy.shape[1], img_copy.shape[0])     # calculate x1, and y1    x1 = int(0.5 * (img_copy.shape[1] - size))    y1 = int(0.5 * (img_copy.shape[0] - size))     # crop and return the image    return img_copy[y1:(y1 + size), x1:(x1 + size)]  def show_img_with_matplotlib(color_img, title, pos):    """Shows an image using matplotlib capabilities"""     img_RGB = color_img[:, :, ::-1]     ax = plt.subplot(2, 2, pos)    plt.imshow(img_RGB)    plt.title(title)    plt.axis('off')  def get_images_from_blob(blob_imgs, scalefactor, dim, mean, swap_rb, mean_added):    """Returns images from blob"""     images_from_blob = cv2.dnn.imagesFromBlob(blob_imgs)    imgs = []     for image_blob in images_from_blob:        image_from_blob = np.reshape(image_blob, dim) / scalefactor        image_from_blob_mean = np.uint8(image_from_blob)        image_from_blob = image_from_blob_mean + np.uint8(mean)        if mean_added is True:            if swap_rb:                image_from_blob = image_from_blob[:, :, ::-1]            imgs.append(image_from_blob)        else:            if swap_rb:                image_from_blob_mean = image_from_blob_mean[:, :, ::-1]            imgs.append(image_from_blob_mean)     return imgs # Load images and get the list of images:image = cv2.imread("face_test.png")image2 = cv2.imread("face_test2.jpg")images = [image, image2] # To see how cropping works, we are going to perform the cropping formulation that# both blobFromImage() and blobFromImages() perform applying it to one of the input images:cropped_img = get_cropped_img(image)# cv2.imwrite("cropped_img.jpg", cropped_img) # Call cv2.dnn.blobFromImages():blob_images = cv2.dnn.blobFromImages(images, 1.0, (300, 300), [104., 117., 123.], False, False)blob_blob_images_cropped = cv2.dnn.blobFromImages(images, 1.0, (300, 300), [104., 117., 123.], False, True) # Get different images from the blob:imgs_from_blob = get_images_from_blob(blob_images, 1.0, (300, 300, 3), [104., 117., 123.], False, True)imgs_from_blob_cropped = get_images_from_blob(blob_blob_images_cropped, 1.0, (300, 300, 3), [104., 117., 123.], False,True) # Create the dimensions of the figure and set title:fig = plt.figure(figsize=(10, 8))plt.suptitle("cv2.dnn.blobFromImages() visualization with cropping", fontsize=14, fontweight='bold')fig.patch.set_facecolor('silver') # Show the input imagesshow_img_with_matplotlib(imgs_from_blob[0], "img 1 from blob " + str(imgs_from_blob[0].shape), 1)show_img_with_matplotlib(imgs_from_blob[1], "img 2 from blob " + str(imgs_from_blob[1].shape), 2)show_img_with_matplotlib(imgs_from_blob_cropped[0], "img 1 from blob cropped " + str(imgs_from_blob[1].shape), 3)show_img_with_matplotlib(imgs_from_blob_cropped[1], "img 2 from blob cropped " + str(imgs_from_blob[1].shape), 4) # Show the Figure:plt.show()

【GAMEMAKER】boomerang

Posted: 29 Apr 2021 08:48 AM PDT

Information about object: objPlayer

Sprite: sprPlayer

Solid: false

Visible: true

Depth: 0

Persistent: false

Parent:

Children:

Mask:

No Physics Object

Create Event:

execute code:

Facing_Direction=0;

Step Event:

execute code:

if keyboard_check(vk_space) && instance_number(objBoomerang)=0 {

instance_create(x,y,objBoomerang);

}

hspeed=0;

vspeed=0;

if keyboard_check(vk_left) then {hspeed=-4; Facing_Direction=180;}

if keyboard_check(vk_right) then {hspeed=4; Facing_Direction=0;}

if keyboard_check(vk_up) then vspeed=-4;

if keyboard_check(vk_down) then vspeed=4;

Information about object: objBoomerang

Sprite: sprBoomerang

Solid: false

Visible: true

Depth:

Persistent: false

Parent:

Children:

Mask:

No Physics Object

Create Event:

execute code:

Catch=false;

if objPlayer.Facing_Direction=0 {

hspeed=5;

vspeed=5;

} else {

hspeed=-5;

vspeed=-5;

}

Step Event:

execute code:

if place_meeting(x,y,objPlayer)=false and Catch=false then Catch=true;

if (direction>=point_direction(x,y,objPlayer.x,objPlayer.y)-4 && direction<=point_direction(x,y,objPlayer.x,objPlayer.y)+4) {

direction=point_direction(x,y,objPlayer.x,objPlayer.y);

} else {

direction+=4;

}

if direction>360 then direction=4;

Collision Event with object objPlayer:

execute code:

if Catch=true then instance_destroy();

Other Event: Intersect Boundary:

bounce not precisely against solid objects

Information about object: objMonster

Sprite: sprMonster

Solid: false

Visible: true

Depth:

Persistent: false

Parent:

Children:

Mask:

No Physics Object

Collision Event with object objBoomerang:

execute code:

instance_destroy();

【GAMEMAKER】Saving

Posted: 29 Apr 2021 08:44 AM PDT

Information about object: obj_splash

Sprite:
Solid: false
Visible: true
Depth: 0
Persistent: false
Parent:
Children:
Mask:

No Physics Object

Create Event:

execute code:

///set up stats
//Load Data From Save
ini_open("save.ini");
global.stats[1,1]="Magic";
global.stats[1,2]=ini_read_real("Stats", "Magic", 4);

global.stats[2,1]="Kindness";
global.stats[2,2]=ini_read_real("Stats", "Kindness", 4);

global.stats[3,1]="Evilness";
global.stats[3,2]=ini_read_real("Stats", "Evilness",2)

global.stats[4,1]="Strength";
global.stats[4,2]=ini_read_real("Stats", "Strength", 4);

global.stats[5,1]="Wisdom";
global.stats[5,2]=ini_read_real("Stats", "Wisdom", 0);

global.stats[5,1]="Charisma";
global.stats[5,2]=ini_read_real("Stats", "Charisma", 1);

global.upgrades=ini_read_real("Stats", "Upgrades", 8);

global.quest1=ini_read_real("Quest", "1", true);

global.pirate1_x=ini_read_real("Pirates", "1x", 350);
global.pirate1_y=ini_read_real("Pirates", "1y", 640);

global.gold=ini_read_real("Stats", "Gold", 200);


ini_close();
//goto main room
room_goto(room_saving);

Information about object: obj_button
Sprite: spr_button
Solid: false
Visible: true
Depth: 
0
Persistent: false
Parent: 
Children: 
Mask: 

No Physics Object

Create Event:
execute code:

//set up
image_speed=0;
image_index=0;
Step Event:
execute code:

///mouse button
if mouse_check_button_pressed(mb_left) && position_meeting(mouse_x, mouse_y, id)
{
    if global.upgrades>0 && global.stats[my_id,2]<10
    {
        //upgrade
        global.upgrades--;
        global.stats[my_id,2]++;
    }
}
Draw Event:
execute code:

//draw button
draw_self();
//set text drawing
draw_set_halign(fa_center);
draw_set_valign(fa_middle);
//draw the text 
draw_set_halign(fa_left);
draw_text(50,my_id*100,global.stats[my_id,1]);

//draw red sprite - not the quickest approach, but easy to understange
for (var loop=1; loop < 11; loop += 1)
{
    draw_sprite(spr_info,1,150+loop*40,my_id*100)
}

//draw yellow sprite
for (var loop=1; loop <= global.stats[my_id,2]; loop += 1)
{
    draw_sprite(spr_info,0,150+loop*40,my_id*100)
}

//draw button text
draw_set_halign(fa_center);
if global.stats[my_id,2]<10 && global.upgrades>0
{
    image_index=0;
    draw_text(x,y,"Available");
}
else if global.stats[my_id,2]==10
{
    image_index=1;
    draw_text(x,y,"Maxed Out");
}
else
{
    image_index=1;
    draw_text(x,y,"Not Available");
}



Information about object: obj_setup_buttons_and_hud
Sprite: 
Solid: false
Visible: true
Depth: 
0
Persistent: false
Parent: 
Children: 
Mask: 

No Physics Object

Create Event:
execute code:

///create buttons
for (var loop = 1; loop < 6; loop += 1)
{
    button=instance_create(700,100*loop,obj_button);
    button.my_id=loop
}
Step Event:
execute code:

///for testing
if keyboard_check_pressed(ord('R'))
{
    show_message("Saved - Restaring");
    game_restart();
}

if keyboard_check_pressed(ord('S'))
{
    scr_save_data();
    show_message("All Data Saved");
}

if keyboard_check_pressed(ord('Q'))
{
    global.quest1=!global.quest1;
}

if keyboard_check_pressed (ord('G'))
{
    global.gold+=100;
}
if keyboard_check_pressed (ord('X'))
{
    global.upgrades+=5;
}
Draw Event:
execute code:

///for testing
draw_set_halign(fa_left);

draw_text(100,50,"You Have "+string(global.upgrades)+" Upgrade Points - Press R To Restart Example#Arrow Keys To Move Character#S To Save Data - A D move pirate - Q Toggle Quest -#G For More Gold  X For More Upgrade Points");

if global.quest1 draw_text(400,700,"Quest Completed");
else
draw_text(400,700,"Quest Is Not Completed");

draw_text(400,720,"Gold "+string(global.gold));

Information about object: obj_pirate
Sprite: spr_pirate
Solid: false
Visible: true
Depth: 
0
Persistent: false
Parent: 
Children: 
Mask: 

No Physics Object

Create Event:
execute code:

x=global.pirate1_x;
y=global.pirate1_y;
Step Event:
execute code:

if keyboard_check(ord('A'))
{
    x--;
}
if keyboard_check(ord('D'))
{
    x++;
}

if x<64 x=64;
if x>room_width-64 x=room_width-64;

e-techbytes

Friday, April 30, 2021