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2
Graphics / How to draw background(sf::Image) and cube(OpenGL)?
« on: January 12, 2010, 08:54:43 am »
I'm try to draw background(sf::Image) and cube(OpenGL) in same window.
And I have code from "Tutorial - Window - Using OpenGL". It's running ok.
But I can't draw background because sf::Window don't have Draw() function.
When I change
I can draw background but can't draw cube.
How to draw background(sf::Image) and cube(OpenGL)?
And I have code from "Tutorial - Window - Using OpenGL". It's running ok.
But I can't draw background because sf::Window don't have Draw() function.
When I change
Code: [Select]
sf::Window App(sf::VideoMode(800, 600, 32), "SFML OpenGL"); to Code: [Select]
sf::RenderWindow App(sf::VideoMode(800, 600, 32), "SFML OpenGL");I can draw background but can't draw cube.
Code: [Select]
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Window.hpp>
#include <SFML/Graphics.hpp>
////////////////////////////////////////////////////////////
/// Entry point of application
///
/// \return Application exit code
///
////////////////////////////////////////////////////////////
int main()
{
// Create the main window
sf::Window App(sf::VideoMode(800, 600, 32), "SFML OpenGL");
// Create a clock for measuring time elapsed
sf::Clock Clock;
// Set color and depth clear value
glClearDepth(1.f);
glClearColor(0.f, 0.f, 0.f, 0.f);
// Enable Z-buffer read and write
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
// Setup a perspective projection
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(90.f, 1.f, 1.f, 500.f);
sf::Image BackgroundImage;
if (!BackgroundImage.LoadFromFile("2uppaib.png"))
return EXIT_FAILURE;
sf::Sprite Background(BackgroundImage);
Background.Resize(850,625);
Background.SetPosition(Background.GetPosition().x-25,Background.GetPosition().y-12);
// Start game loop
while (App.IsOpened())
{
// Process events
sf::Event Event;
while (App.GetEvent(Event))
{
// Close window : exit
if (Event.Type == sf::Event::Closed)
App.Close();
// Escape key : exit
if ((Event.Type == sf::Event::KeyPressed) && (Event.Key.Code == sf::Key::Escape))
App.Close();
// Resize event : adjust viewport
if (Event.Type == sf::Event::Resized)
glViewport(0, 0, Event.Size.Width, Event.Size.Height);
}
// Set the active window before using OpenGL commands
// It's useless here because active window is always the same,
// but don't forget it if you use multiple windows or controls
App.SetActive();
// Clear color and depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Apply some transformations
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(0.f, 0.f, -200.f);
glRotatef(Clock.GetElapsedTime() * 50, 1.f, 0.f, 0.f);
glRotatef(Clock.GetElapsedTime() * 30, 0.f, 1.f, 0.f);
glRotatef(Clock.GetElapsedTime() * 90, 0.f, 0.f, 1.f);
// Draw a cube
glBegin(GL_QUADS);
glVertex3f(-50.f, -50.f, -50.f);
glVertex3f(-50.f, 50.f, -50.f);
glVertex3f( 50.f, 50.f, -50.f);
glVertex3f( 50.f, -50.f, -50.f);
glVertex3f(-50.f, -50.f, 50.f);
glVertex3f(-50.f, 50.f, 50.f);
glVertex3f( 50.f, 50.f, 50.f);
glVertex3f( 50.f, -50.f, 50.f);
glVertex3f(-50.f, -50.f, -50.f);
glVertex3f(-50.f, 50.f, -50.f);
glVertex3f(-50.f, 50.f, 50.f);
glVertex3f(-50.f, -50.f, 50.f);
glVertex3f(50.f, -50.f, -50.f);
glVertex3f(50.f, 50.f, -50.f);
glVertex3f(50.f, 50.f, 50.f);
glVertex3f(50.f, -50.f, 50.f);
glVertex3f(-50.f, -50.f, 50.f);
glVertex3f(-50.f, -50.f, -50.f);
glVertex3f( 50.f, -50.f, -50.f);
glVertex3f( 50.f, -50.f, 50.f);
glVertex3f(-50.f, 50.f, 50.f);
glVertex3f(-50.f, 50.f, -50.f);
glVertex3f( 50.f, 50.f, -50.f);
glVertex3f( 50.f, 50.f, 50.f);
glEnd();
// Finally, display rendered frame on screen
App.Display();
}
return EXIT_SUCCESS;
}
How to draw background(sf::Image) and cube(OpenGL)?
4
Graphics / sf::String : how to check collision
« on: January 11, 2010, 06:37:24 am »
I have text create by sf::String and I want check collision between text.
But "Simple Collision Detection" on Wiki use for sf::Sprite.
How to use "Simple Collision Detection" on Wiki for sf::String.
But "Simple Collision Detection" on Wiki use for sf::Sprite.
How to use "Simple Collision Detection" on Wiki for sf::String.
5
Graphics / how to detect when mouseover an object
« on: January 11, 2010, 06:15:49 am »
Thank you for recommend,Now i use bool.
6
Graphics / how to detect when mouseover an object
« on: January 08, 2010, 11:29:32 am »
That's cool.
This's my code.
This's my code.
Code: [Select]
int MouseOver(int MouseX,int MouseY,sf::String Hello)
{
//return 0 = mouse over
//retunr 1 = mouse not over
if ( MouseX > Hello.GetRect().Left && MouseX < Hello.GetRect().Right)
{
if ( MouseY > Hello.GetRect().Top && MouseY < Hello.GetRect().Bottom)
return 0;
}
return 1;
}
7
Graphics / how to detect when mouseover an object
« on: January 08, 2010, 08:04:18 am »
how to detect when mouseover/click an object
Example:
I want to create my event when mouseover/click a string or image. How to?
Example:
I want to create my event when mouseover/click a string or image. How to?
9
Graphics / program crash when use sf::String
« on: January 07, 2010, 10:15:04 am »
Hi all,
i'm a new member for this forum. my problem is when i exit program by press ECS or click exit windows then i have error R6025 pure virtual function call.
i test again by remove code sf::String. My program don't have error when exit.
How to fix problem.
This is simple code from Tutorial
i develop on Windows 7 Ultimate/VC++ 2008
i'm a new member for this forum. my problem is when i exit program by press ECS or click exit windows then i have error R6025 pure virtual function call.
i test again by remove code sf::String. My program don't have error when exit.
How to fix problem.
This is simple code from Tutorial
Code: [Select]
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Graphics.hpp>
#include <iostream>
////////////////////////////////////////////////////////////
/// Entry point of application
///
/// \return Application exit code
///
////////////////////////////////////////////////////////////
int main()
{
// Create the main rendering window
sf::RenderWindow App(sf::VideoMode(800, 600, 32), "SFML Graphics");
// Load a font from a file
sf::Font MyFont;
if (!MyFont.LoadFromFile("cheeseburger.ttf", 50))
return EXIT_FAILURE;
// Create a graphical string
sf::String Hello;
Hello.SetText("Hello !\nHow are you ?");
Hello.SetFont(MyFont);
Hello.SetColor(sf::Color(0, 128, 128));
Hello.SetPosition(100.f, 100.f);
Hello.SetRotation(15.f);
Hello.SetSize(50.f);
// Process events
sf::Event Event;
// Start game loop
while (App.IsOpened())
{
while (App.GetEvent(Event))
{
// Close window : exit
if (Event.Type == sf::Event::Closed)
App.Close();
// A key has been pressed
if (Event.Type == sf::Event::KeyPressed)
{
// Escape key : exit
if (Event.Key.Code == sf::Key::Escape)
{
App.Close();
}
// F1 key : capture a screenshot
if (Event.Key.Code == sf::Key::F1)
{
sf::Image Screen = App.Capture();
Screen.SaveToFile("screenshot.jpg");
}
}
}
// Clear the screen with red color
App.Clear(sf::Color(200, 0, 0));
App.Draw(Hello);
// Display window contents on screen
App.Display();
}
return EXIT_SUCCESS;
}
i develop on Windows 7 Ultimate/VC++ 2008
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