This document contains code for rendering a 3D scene with OpenGL and calculating the frames per second (FPS) of the animation. It defines functions for drawing objects like the ground, snowmen and text. It also handles keyboard input for camera movement and menus for settings. FPS is calculated by counting frames over a time period and displayed with text using bitmap fonts.
A Comprehensive Look at Generative AI in Retail App Testing.pdfkalichargn70th171
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Les Buildpacks existent depuis plus de 10 ans ! D’abord, ils étaient utilisés pour détecter et construire une application avant de la déployer sur certains PaaS. Ensuite, nous avons pu créer des images Docker (OCI) avec leur dernière génération, les Cloud Native Buildpacks (CNCF en incubation). Sont-ils une bonne alternative au Dockerfile ? Que sont les buildpacks Paketo ? Quelles communautés les soutiennent et comment ?
Venez le découvrir lors de cette session ignite
Into the Box Keynote Day 2: Unveiling amazing updates and announcements for modern CFML developers! Get ready for exciting releases and updates on Ortus tools and products. Stay tuned for cutting-edge innovations designed to boost your productivity.
Check out the webinar slides to learn more about how XfilesPro transforms Salesforce document management by leveraging its world-class applications. For more details, please connect with sales@xfilespro.com
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In software engineering, the right architecture is essential for robust, scalable platforms. Wix has undergone a pivotal shift from event sourcing to a CRUD-based model for its microservices. This talk will chart the course of this pivotal journey.
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SOCRadar Research Team: Latest Activities of IntelBrokerSOCRadar
The European Union Agency for Law Enforcement Cooperation (Europol) has suffered an alleged data breach after a notorious threat actor claimed to have exfiltrated data from its systems. Infamous data leaker IntelBroker posted on the even more infamous BreachForums hacking forum, saying that Europol suffered a data breach this month.
The alleged breach affected Europol agencies CCSE, EC3, Europol Platform for Experts, Law Enforcement Forum, and SIRIUS. Infiltration of these entities can disrupt ongoing investigations and compromise sensitive intelligence shared among international law enforcement agencies.
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Stay Informed on Threat Actors’ Activity on the Dark Web with SOCRadar!
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In 2015, I used to write extensions for Joomla, WordPress, phpBB3, etc and I ...Juraj Vysvader
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OpenFOAM solver for Helmholtz equation, helmholtzFoam / helmholtzBubbleFoamtakuyayamamoto1800
In this slide, we show the simulation example and the way to compile this solver.
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Software Engineering, Software Consulting, Tech Lead.
Spring Boot, Spring Cloud, Spring Core, Spring JDBC, Spring Security,
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AI Pilot Review: The World’s First Virtual Assistant Marketing SuiteGoogle
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We describe the deployment and use of Globus Compute for remote computation. This content is aimed at researchers who wish to compute on remote resources using a unified programming interface, as well as system administrators who will deploy and operate Globus Compute services on their research computing infrastructure.
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Cross-facility research orchestration comes with ever-changing constraints regarding the availability and suitability of various compute and data resources. In short, a flexible data and processing fabric is needed to enable the dynamic redirection of data and compute tasks throughout the lifecycle of an experiment. In this talk, we illustrate how we easily leveraged Globus services to instrument the ACE research testbed at the Oak Ridge Leadership Computing Facility with flexible data and task orchestration capabilities.
top nidhi software solution freedownloadvrstrong314
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Enhancing Project Management Efficiency_ Leveraging AI Tools like ChatGPT.pdf
The Ring programming language version 1.8 book - Part 63 of 202
1. Ring Documentation, Release 1.8
next
func computePos deltaMove
x += deltaMove * lx * 0.1
z += deltaMove * lz * 0.1
func renderScene
if deltaMove
computePos(deltaMove)
ok
// Clear Color and Depth Buffers
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
// Reset transformations
glLoadIdentity()
// Set the camera
gluLookAt( x, 1.0, z,
x+lx, 1.0, z+lz,
0.0, 1.0, 0.0)
// Draw ground
glColor3f(0.9, 0.9, 0.9)
glBegin(GL_QUADS)
glVertex3f(-100.0, 0.0, -100.0)
glVertex3f(-100.0, 0.0, 100.0)
glVertex3f( 100.0, 0.0, 100.0)
glVertex3f( 100.0, 0.0, -100.0)
glEnd()
// Draw 36 SnowMen
for i = -3 to 2
for j = -3 to 2
glPushMatrix()
glTranslatef(i*10.0, 0.0, j * 10.0)
drawSnowMan()
number = (i+3)*6+(j+3)
renderBitmapString(0.0, 0.5, 0.0,font ,""+number)
glPopMatrix()
next
next
glutSwapBuffers()
// -----------------------------------
// KEYBOARD
// -----------------------------------
func processNormalKeys
key = glutEventKey()
xx = glutEventX()
58.13. Using Fonts 591
2. Ring Documentation, Release 1.8
yy = glutEventY()
switch key
on 27
glutDestroyMenu(mainMenu)
glutDestroyMenu(fillMenu)
glutDestroyMenu(colorMenu)
glutDestroyMenu(fontMenu)
Shutdown()
off
func pressKey
key = glutEventKey()
xx = glutEventX()
yy = glutEventY()
switch key
on GLUT_KEY_UP
deltaMove = 0.5
on GLUT_KEY_DOWN
deltaMove = -0.5
off
func releaseKey
key = glutEventKey()
switch key
on GLUT_KEY_UP
deltaMove = 0
on GLUT_KEY_DOWN
deltaMove = 0
off
// -----------------------------------
// MOUSE
// -----------------------------------
func mouseMove
xx = glutEventX()
yy = glutEventY()
// this will only be true when the left button is down
if xOrigin >= 0
// update deltaAngle
deltaAngle = (xx - xOrigin) * 0.001
// update camera's direction
lx = sin(angle + deltaAngle)
lz = -cos(angle + deltaAngle)
ok
58.13. Using Fonts 592
3. Ring Documentation, Release 1.8
func mouseButton
button = glutEventButton()
state = glutEventState()
xx = glutEventX()
yy = glutEventY()
// only start motion if the left button is pressed
if button = GLUT_LEFT_BUTTON
// when the button is released
if state = GLUT_UP
angle += deltaAngle
xOrigin = -1
else
// state = GLUT_DOWN
xOrigin = xx
ok
ok
// -----------------------------------
// MENUS
// -----------------------------------
func processMenuStatus
status = glutEventStatus()
if status = GLUT_MENU_IN_USE
menuFlag = 1
else
menuFlag = 0
ok
func processMainMenu
// nothing to do in here
// all actions are for submenus
func processFillMenu
option = glutEventValue()
switch option
on C_FILL
glPolygonMode(GL_FRONT, GL_FILL)
on C_LINE
glPolygonMode(GL_FRONT, GL_LINE)
off
func processFontMenu
option = glutEventValue()
58.13. Using Fonts 593
4. Ring Documentation, Release 1.8
switch (option) {
on C_INT_GLUT_BITMAP_8_BY_13
font = GLUT_BITMAP_8_BY_13
on C_INT_GLUT_BITMAP_9_BY_15
font = GLUT_BITMAP_9_BY_15
on C_INT_GLUT_BITMAP_TIMES_ROMAN_10
font = GLUT_BITMAP_TIMES_ROMAN_10
on C_INT_GLUT_BITMAP_TIMES_ROMAN_24
font = GLUT_BITMAP_TIMES_ROMAN_24
on C_INT_GLUT_BITMAP_HELVETICA_10
font = GLUT_BITMAP_HELVETICA_10
on C_INT_GLUT_BITMAP_HELVETICA_12
font = GLUT_BITMAP_HELVETICA_12
on C_INT_GLUT_BITMAP_HELVETICA_18
font = GLUT_BITMAP_HELVETICA_18
off
func processColorMenu
option = glutEventValue()
switch option
on C_RED
red = 1.0
green = 0.0
blue = 0.0
on C_GREEN
red = 0.0
green = 1.0
blue = 0.0
on C_BLUE
red = 0.0
green = 0.0
blue = 1.0
on C_ORANGE
red = 1.0
green = 0.5
blue = 0.5
off
func createPopupMenus
fontMenu = glutCreateMenu(:processFontMenu)
glutAddMenuEntry("BITMAP_8_BY_13 ",C_INT_GLUT_BITMAP_8_BY_13 )
glutAddMenuEntry("BITMAP_9_BY_15",C_INT_GLUT_BITMAP_9_BY_15 )
glutAddMenuEntry("BITMAP_TIMES_ROMAN_10 ",C_INT_GLUT_BITMAP_TIMES_ROMAN_10 )
glutAddMenuEntry("BITMAP_TIMES_ROMAN_24",C_INT_GLUT_BITMAP_TIMES_ROMAN_24 )
glutAddMenuEntry("BITMAP_HELVETICA_10 ",C_INT_GLUT_BITMAP_HELVETICA_10 )
glutAddMenuEntry("BITMAP_HELVETICA_12",C_INT_GLUT_BITMAP_HELVETICA_12 )
glutAddMenuEntry("BITMAP_HELVETICA_18",C_INT_GLUT_BITMAP_HELVETICA_18 )
fillMenu = glutCreateMenu(:processFillMenu)
glutAddMenuEntry("Fill",C_FILL)
glutAddMenuEntry("Line",C_LINE)
58.13. Using Fonts 594
5. Ring Documentation, Release 1.8
colorMenu = glutCreateMenu(:processColorMenu)
glutAddMenuEntry("Red",C_RED);
glutAddMenuEntry("Blue",C_BLUE);
glutAddMenuEntry("Green",C_GREEN);
glutAddMenuEntry("Orange",C_ORANGE);
mainMenu = glutCreateMenu(:processMainMenu)
glutAddSubMenu("Polygon Mode", fillMenu)
glutAddSubMenu("Color", colorMenu)
glutAddSubMenu("Font",fontMenu)
// attach the menu to the right button
glutAttachMenu(GLUT_RIGHT_BUTTON)
// this will allow us to know if the menu is active
glutMenuStatusFunc(:processMenuStatus)
// -----------------------------------
// MAIN
// -----------------------------------
func main
// init GLUT and create window
glutInit()
glutInitDisplayMode(GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGBA)
glutInitWindowPosition(100,100)
glutInitWindowSize(320,320)
glutCreateWindow("RingFreeGLUT - Test 11")
// register callbacks
glutDisplayFunc(:renderScene)
glutReshapeFunc(:changeSize)
glutIdleFunc(:renderScene)
glutIgnoreKeyRepeat(1)
glutKeyboardFunc(:processNormalKeys)
glutSpecialFunc(:pressKey)
glutSpecialUpFunc(:releaseKey)
// here are the two new functions
glutMouseFunc(:mouseButton)
glutMotionFunc(:mouseMove)
// OpenGL init
glEnable(GL_DEPTH_TEST)
glEnable(GL_CULL_FACE)
// init Menus
createPopupMenus()
// enter GLUT event processing cycle
glutMainLoop()
Screen Shot
58.13. Using Fonts 595
6. Ring Documentation, Release 1.8
58.14 Frames Per Second
Example
load "freeglut.ring"
load "opengl21lib.ring"
// angle of rotation for the camera direction
angle = 0.0
// actual vector representing the camera's direction
lx=0.0 lz=-1.0
// XZ position of the camera
x=0.0 z=5.0
// the key states. These variables will be zero
//when no key is being presses
deltaAngle = 0.0
deltaMove = 0
xOrigin = -1
// Constant definitions for Menus
C_RED = 1
C_GREEN = 2
C_BLUE = 3
C_ORANGE = 4
C_FILL = 5
C_LINE = 6
// Pop up menu identifiers
fillMenu=NULL
58.14. Frames Per Second 596
7. Ring Documentation, Release 1.8
fontMenu=NULL
mainMenu=NULL
colorMenu=NULL
// color for the nose
red = 1.0
blue=0.5
green=0.5
// scale of snowman
scale = 1.0
// menu status
menuFlag = 0
// default font
font = GLUT_BITMAP_TIMES_ROMAN_24
C_INT_GLUT_BITMAP_8_BY_13 = 7
C_INT_GLUT_BITMAP_9_BY_15 = 8
C_INT_GLUT_BITMAP_TIMES_ROMAN_10 = 9
C_INT_GLUT_BITMAP_TIMES_ROMAN_24 = 10
C_INT_GLUT_BITMAP_HELVETICA_10 = 11
C_INT_GLUT_BITMAP_HELVETICA_12 = 12
C_INT_GLUT_BITMAP_HELVETICA_18 = 13
// width and height of the window
h = 0
w = 0
// variables to compute frames per second
frame=0
time=0
timebase=0
s = ""
func changeSize
w = glutEventWidth()
h = glutEventHeight()
// Prevent a divide by zero, when window is too short
// (you cant make a window of zero width).
if h = 0
h = 1
ok
ratio = w * 1.0 / h
// Use the Projection Matrix
glMatrixMode(GL_PROJECTION)
// Reset Matrix
glLoadIdentity()
// Set the viewport to be the entire window
glViewport(0, 0, w, h)
// Set the correct perspective.
58.14. Frames Per Second 597
8. Ring Documentation, Release 1.8
gluPerspective(45.0, ratio, 0.1, 100.0)
// Get Back to the Modelview
glMatrixMode(GL_MODELVIEW)
func drawSnowMan
glScalef(scale, scale, scale)
glColor3f(1.0, 1.0, 1.0)
// Draw Body
glTranslatef(0.0 ,0.75, 0.0)
glutSolidSphere(0.75,20,20)
// Draw Head
glTranslatef(0.0, 1.0, 0.0)
glutSolidSphere(0.25,20,20)
// Draw Eyes
glPushMatrix()
glColor3f(0.0,0.0,0.0)
glTranslatef(0.05, 0.10, 0.18)
glutSolidSphere(0.05,10,10)
glTranslatef(-0.1, 0.0, 0.0)
glutSolidSphere(0.05,10,10)
glPopMatrix()
// Draw Nose
glColor3f(red, green, blue)
glRotatef(0.0,1.0, 0.0, 0.0)
glutSolidCone(0.08,0.5,10,2)
glColor3f(1.0, 1.0, 1.0)
func renderBitmapString x,y,z,font,string
glRasterPos3f(x, y,z)
for c in string
glutBitmapCharacter(font,ascii(c))
next
func renderStrokeFontString x,y,z,font,string
glPushMatrix()
glTranslatef(x, y,z)
glScalef(0.002, 0.002, 0.002)
for c in string
glutStrokeCharacter(font, Ascii(c));
next
glPopMatrix()
func restorePerspectiveProjection
glMatrixMode(GL_PROJECTION)
// restore previous projection matrix
glPopMatrix()
// get back to modelview mode
glMatrixMode(GL_MODELVIEW)
58.14. Frames Per Second 598
9. Ring Documentation, Release 1.8
func setOrthographicProjection
// switch to projection mode
glMatrixMode(GL_PROJECTION)
// save previous matrix which contains the
//settings for the perspective projection
glPushMatrix()
// reset matrix
glLoadIdentity()
// set a 2D orthographic projection
gluOrtho2D(0, w, h, 0)
// switch back to modelview mode
glMatrixMode(GL_MODELVIEW)
func computePos deltaMove
x += deltaMove * lx * 0.1
z += deltaMove * lz * 0.1
func renderScene
if deltaMove
computePos(deltaMove)
ok
// Clear Color and Depth Buffers
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
// Reset transformations
glLoadIdentity()
// Set the camera
gluLookAt( x, 1.0, z,
x+lx, 1.0, z+lz,
0.0, 1.0, 0.0)
// Draw ground
glColor3f(0.9, 0.9, 0.9)
glBegin(GL_QUADS)
glVertex3f(-100.0, 0.0, -100.0)
glVertex3f(-100.0, 0.0, 100.0)
glVertex3f( 100.0, 0.0, 100.0)
glVertex3f( 100.0, 0.0, -100.0)
glEnd()
// Draw 9 SnowMen
for i = -3 to -1
for j = -3 to -1
glPushMatrix()
58.14. Frames Per Second 599
10. Ring Documentation, Release 1.8
glTranslatef(i*10.0, 0.0, j * 10.0)
drawSnowMan()
number = (i+3)*3+(j+3)
renderBitmapString(0.0, 0.5, 0.0,font ,""+number)
glPopMatrix()
next
next
// Code to compute frames per second
frame++
time=glutGet(GLUT_ELAPSED_TIME)
if time - timebase > 1000
s = "RingFreeGLUT - FPS: " + (frame*1000.0/(time-timebase))
timebase = time
frame = 0
ok
// Code to display a string (fps) with bitmap fonts
setOrthographicProjection()
glPushMatrix()
glLoadIdentity()
renderBitmapString(5,30,0,GLUT_BITMAP_HELVETICA_18,s)
glPopMatrix()
restorePerspectiveProjection()
glutSwapBuffers()
// -----------------------------------
// KEYBOARD
// -----------------------------------
func processNormalKeys
key = glutEventKey()
xx = glutEventX()
yy = glutEventY()
switch key
on 27
glutDestroyMenu(mainMenu)
glutDestroyMenu(fillMenu)
glutDestroyMenu(colorMenu)
glutDestroyMenu(fontMenu)
Shutdown()
off
func pressKey
key = glutEventKey()
xx = glutEventX()
yy = glutEventY()
switch key
on GLUT_KEY_UP
58.14. Frames Per Second 600