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  • OpenGLES Add User Interactions

    - by mac
    http://www.switchonthecode.com/tutorials/getting-started-with-opengl-es-for-the-iphone From the above link they created tutorial by No Nib File. But i need to add User interactions like , adding Progress View. Please help me. i am new to iphone OpenGLES. Thanks In Advance.

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  • PHP Equivalent of Java Type-Casting Solution

    - by stjowa
    Since PHP has no custom-class type-casting, how would I go about doing the PHP equivalent of this Java code: CustomBaseObject cusBaseObject = cusBaseObjectDao.readCustomBaseObjectById(id); ((CustomChildObject) cusBaseObject).setChildAttribute1(value1); ((CustomChildObject) cusBaseObject).setChildAttribute2(value2); In my case, it would very nice if I could do this. However, trying this without type-casting support, it gives me an error that the methods do not exist for the object. Thanks, Steve

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  • Online Introduction to Relational Databases (and not only) with Stanford University!

    - by Luca Zavarella
    How many of you know exactly the definition of "relational database"? What exactly the adjective "relational" refers to? Many of you allow themselves to be deceived, thinking this adjective is related to foreign key constraints between tables. Instead this adjective lurks in a world based on set theory, relational algebra and the concept of relationship intended as a table.Well, for those who want to deep the fundamentals of relational model, relational algebra, XML, OLAP and emerging "NoSQL" systems, Stanford University School of Engineering offers a public and free online introductory course to databases. This is the related web page: http://www.db-class.com/ The course will last 2 months, after which there will be a final exam. Passing the final exam will entitle the participants to receive a statement of accomplishment. A syllabus and more information is available here. Happy eLearning to you!

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  • Adding a JPanel to another JPanel having TableLayout

    - by user253530
    I am trying to develop a map editor in java. My map window receives as a constructor a Map object. From that map object i am able to retrieve the Grid and every item in the grid along with other getters and setters. The problem is that even though the Mapping extends JComponent, when I place it in a panel it is not painted. I have overridden the paint method to satisfy my needs. Here is the code, maybe you could help me. public class MapTest extends JFrame implements ActionListener { private JPanel mainPanel; private JPanel mapPanel; private JPanel minimapPanel; private JPanel relationPanel; private TableLayout tableLayout; private JPanel tile; MapTest(Map map) { mainPanel = (JPanel) getContentPane(); mapPanel = new JPanel(); populateMapPanel(map); mainPanel.add(mapPanel); this.setPreferredSize(new Dimension(800, 600)); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setVisible(true); } private double[][] generateTableLayoutSize(int x, int y, int size) { double panelSize[][] = new double[x][y]; for (int i = 0; i < x; i++) { for (int j = 0; j < y; j++) { panelSize[i][j] = size; } } return panelSize; } private void populateMapPanel(Map map) { double[][] layoutSize = generateTableLayoutSize(map.getMapGrid().getRows(), map.getMapGrid().getColumns(), 50); tableLayout = new TableLayout(layoutSize); for(int i = 0; i < map.getMapGrid().getRows(); i++) { for(int j = 0; j < map.getMapGrid().getColumns(); j++) { tile = new JPanel(); tile.setName(String.valueOf(((Mapping)map.getMapGrid().getItem(i, j)).getCharacter())); tile.add(map.getMapItem(i, j)); String constraint = i + "," + j; mapPanel.add(tile, constraint); } } mapPanel.validate(); mapPanel.repaint(); } public void actionPerformed(ActionEvent e) { throw new UnsupportedOperationException("Not supported yet."); } } My Mapping Class public class Mapping extends JComponent implements Serializable{ private BufferedImage image; private Character character; //default public Mapping() { super(); this.image = null; this.character = '\u0000'; } //Mapping from image and char public Mapping(BufferedImage image, char character) { super(); this.image = image; this.character = character; } //Mapping from file and char public Mapping(File file, char character) { try { this.image = ImageIO.read(file); this.character = character; } catch (IOException ex) { System.out.println(ex); } } public char getCharacter() { return character; } public void setCharacter(char character) { this.character = character; } public BufferedImage getImage() { return image; } public void setImage(BufferedImage image) { this.image = image; repaint(); } @Override /*Two mappings are consider the same if -they have the same image OR -they have the same character OR -both of the above*/ public boolean equals(Object mapping) { if (this == mapping) { return true; } if (mapping instanceof Mapping) { return true; } //WARNING! equals might not work for images return (this.getImage()).equals(((Mapping) mapping).getImage()) || (this.getCharacter()) == (((Mapping) mapping).getCharacter()); } @Override public void paintComponent(Graphics g) { super.paintComponent(g); //g.drawImage(image, 0, 0, null); g.drawImage(image, 0, 0, this.getWidth(), this.getHeight(), null); } // @Override // public Dimension getPreferredSize() { // if (image == null) { // return new Dimension(10, 10); //instead of 100,100 set any prefered dimentions // } else { // return new Dimension(100, 100);//(image.getWidth(null), image.getHeight(null)); // } // } private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException { character = (Character) in.readObject(); image = ImageIO.read(ImageIO.createImageInputStream(in)); } private void writeObject(java.io.ObjectOutputStream out) throws IOException { out.writeObject(character); ImageWriter writer = (ImageWriter) ImageIO.getImageWritersBySuffix("jpg").next(); writer.setOutput(ImageIO.createImageOutputStream(out)); ImageWriteParam param = writer.getDefaultWriteParam(); param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); param.setCompressionQuality(0.85f); writer.write(null, new IIOImage(image, null, null), param); } }

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  • UDK "Error, 'DefaultMesh': Bad command or expression"

    - by Ricket
    I'm porting UT3 code to UDK, and I am getting the following compile error with the UDK compiler: C:\UDK\UDK-2010-03\Development\Src\FixIt\Classes\ZPawn.uc(25) : Error, 'DefaultMesh': Bad command or expression The ZPawn class extends UTPawn. Line 25 is the following: DefaultMesh = SkeletalMesh(DynamicLoadObject(ZBotOwner(Owner).MeshToUse, class'SkeletalMesh')); Where did DefaultMesh go in UDK?

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  • ODBC datasource for DB2 on 64 bit Windows 2008

    - by Rob Vermeulen
    First of all, sorry for this non-programming question. I just finished development of some code that communicates with DB2 and want to test/deploy it on a Windows 2008 machine. I'm a bit concerned about not being able to find a working ODBC datasource (DSN/client) driver for DB2 on Windows 2008 (x64). I have a 32-bit driver for XP but that one (obviously) won't install on 2008-64. The IBM web site comes up with 1844 results when searching for "ODBC Windows 2008", but none of them are relevant. The web site's also a pain to use, btw. While googling around I found some solutions by 3rd party vendors but they all want money :) And the DB2 client and ODBC driver from IBM have always been free-of-charge. Does anyone have a solution?

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  • What do the ddx and ddy values do in this AABB ray intersect algorithm?

    - by Paz
    Does anyone know what the ddx and ddy values do in the AABB ray intersect algorithm? Taken from the following site http://www.blitzbasic.com/codearcs/codearcs.php?code=1029 (show below). Local txmin#,txmax#,tymin#,tymax# // rox, rdx are the ray origin on the x axis, and ray delta on the x axis ... y-axis is roy and rdy Local ddx# =1.0/(rox-rdx) Local ddy# =1.0/(roy-rdy) If ddx >= 0 txmin = (bminx - rox) * ddx txmax = (bmaxx - rox) * ddx Else txmin = (bmaxx - rox) * ddx txmax = (bminx - rox) * ddx EndIf If ddy >= 0 tymin = (bminy - roy) * ddy tymax = (bmaxy - roy) * ddy Else tymin = (bmaxy - roy) * ddy tymax = (bminy - roy) * ddy EndIf If ( (txmin > tymax) Or (tymin > txmax) ) Return 0 If (tymin > txmin) txmin = tymin If (tymax < txmax) txmax = tymax Local tzmin#,tzmax# Local ddz# =1.0/(roz-rdz) If ddz >= 0 tzmin = (bminz - roz) * ddz tzmax = (bmaxz - roz) * ddz Else tzmin = (bmaxz - roz) * ddz tzmax = (bminz - roz) * ddz EndIf If (txmin > tzmax) Or (tzmin > txmax) Return 0 Return 1

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  • OpenGLES mix and match blending options complicated question

    - by DevDevDev
    So I have a background line drawing, black and white. I want to be able to draw over this, keeping the black lines in there, and drawing only where it is white. I can do this by using glBlendFunc(GL_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA); And the black stays black and white gets whatever color I want. However in the white areas, I want to be able to draw some color, pick to another color and then blend. However this doesn't work because the blend function is messed up. So what I was thinking is having a linedrawing framebuffer, and a user-drawing framebuffer. The user draws into the userdrawing framebuffer, with a different blending, and then I switch blending options and draw into the linedrawing framebuffer. But i don't know enough OpenGL to say whether or not this will work or is a stupid idea. Thanks a lot

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  • Issue with clipping rectangles and back to front rendering

    - by Milo
    Here is my problem. My rendering algorithm renders from back to front. But logically, clipping rectangles need to be applied from front to back. Hence why the following does not work: void AguiWidgetManager::recursiveRender(const AguiWidget *root) { //recursively calls itself to render widgets from back to front AguiWidget* nonConstRoot = (AguiWidget*)root; if(!nonConstRoot->isVisable()) { return; } //push the clipping rectangle if(nonConstRoot->isClippingChildren()) { graphicsContext->pushClippingRect(nonConstRoot->getClippingRectangle()); } if(nonConstRoot->isEnabled()) { nonConstRoot->paint(AguiPaintEventArgs(true,graphicsContext)); for(std::vector<AguiWidget*>::const_iterator it = root->getPrivateChildBeginIterator(); it != root->getPrivateChildEndIterator(); ++it) { recursiveRender(*it); } for(std::vector<AguiWidget*>::const_iterator it = root->getChildBeginIterator(); it != root->getChildEndIterator(); ++it) { recursiveRender(*it); } } else { nonConstRoot->paint(AguiPaintEventArgs(false,graphicsContext)); for(std::vector<AguiWidget*>::const_iterator it = root->getPrivateChildBeginIterator(); it != root->getPrivateChildEndIterator(); ++it) { recursiveRenderDisabled(*it); } for(std::vector<AguiWidget*>::const_iterator it = root->getChildBeginIterator(); it != root->getChildEndIterator(); ++it) { recursiveRenderDisabled(*it); } } //release clipping rectangle if(nonConstRoot->isClippingChildren()) { graphicsContext->popClippingRect(); } } I could ofcourse go to the top of the tree, then apply clipping rectangles inward until I get to the currently rendered widget, but that would involve lots of clipping rectangles @ 60 frames per second. I want to minimize calls to pushing and popping rectangles. What could I do, Thanks

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  • Is it Pythonic to have a class keep track of its instances?

    - by Lightbreeze
    Take the following code snippet class Missile: instances = [] def __init__(self): Missile.instances.append(self) Now take the code: class Hero(): ... def fire(self): Missile() When the hero fires, a missile needs to be created and appended to the main list. Thus the hero object needs to reference the list when it fires. Here are a few solutions, although I'm sure there are others: Make the list a global, Use a class variable (as above), or Have the hero object hold a reference to the list. I didn't post this on gamedev because my question is actually more general: Is the previous code considered okay? Given a situation like this, is there a more Pythonic solution?

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  • Registering InputListener in libGDX

    - by JPRO
    I'm just getting started with libGDX and have run into a snag registering an InputListener for a button. I've gone through many examples and this code appears correct to me but the associated callback never triggers ("touched" is not printed to console). I'm just posting the code with the abstract game screen and the implementing screen. The application starts successfully with a label of "Exit" in the bottom left hand corner, but clicking the button/label does nothing. I'm guessing the fix is something simple. What am I overlooking? public abstract class GameScreen<T> implements Screen { protected final T game; protected final SpriteBatch batch; protected final Stage stage; public GameScreen(T game) { this.game = game; this.batch = new SpriteBatch(); this.stage = new Stage(0, 0, true); } @Override public final void render(float delta) { update(delta); // Clear the screen with the given RGB color (black) Gdx.gl.glClearColor(0f, 0f, 0f, 1f); Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT); stage.act(delta); stage.draw(); } public abstract void update(float delta); @Override public void resize(int width, int height) { stage.setViewport(width, height, true); } @Override public void show() { Gdx.input.setInputProcessor(stage); } // hide, pause, resume, dipose } public class ExampleScreen extends GameScreen<MyGame> { private TextButton exitButton; public ExampleScreen(MyGame game) { super(game); } @Override public void show() { super.show(); TextButton.TextButtonStyle buttonStyle = new TextButton.TextButtonStyle(); buttonStyle.font = Font.getFont("Origicide", 32); buttonStyle.fontColor = Color.WHITE; exitButton = new TextButton("Exit", buttonStyle); exitButton.addListener(new InputListener() { @Override public void touchUp (InputEvent event, float x, float y, int pointer, int button) { System.out.println("touched"); } }); stage.addActor(exitButton); } @Override public void update(float delta) { } }

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  • Graphics library used by Windows Vista Freecell and Solitaire

    - by David Grayson
    Does anyone know what graphics library is used to create the graphics in the Solitaire and Freecell games included with Windows Vista (e.g. XNA, GDI, WPF)? A good answer would include the name of the library and evidence. I looked at solitaire.exe with dependency walker and it shows many calls to gdi32.dll and gdiplus.dll, but also a call to Direct3DCreate9 in d3d9.dll.

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  • If I'm using a 1d array to represent a square board, how can I take my index and check the sqaures a

    - by FrankTheTank
    If I have a 4x4 gameboard which I'm representing in my program as a 1d integer array of size 16. How can I get the indexs of the squares above, below, to the left and to the right any given index? So, for example: A = { 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 } Which represents this board 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Lets say I am currently on index #8 in the board (value = 7). How can I get the index for 4 (value = 3) , 5 (value = 6), 10 (value = 11) and realize that there is no right square because it is on the right hand edge of the board. I know I need to use some modulus math but I'm failing to come up with the right way to get the indexes for adjacent squares. I'm thinking something like... if ((i % 4) + 1 < 3) right = i + 1; if ((i % 4) - 1 > 0) left = i - 1; if ((i % 4) + 4 < 15) bottom = i + 4; if ((i % 4) - 4 > 0 ) top = i - 4; Does this seem like it is the right approach?

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  • How to merge two FBOs?

    - by DevDevDev
    OK so I have 4 buffers, 3 FBOs and a render buffer. Let me explain. I have a view FBO, which will store the scene before I render it to the render buffer. I have a background buffer, which contains the background of the scene. I have a user buffer, which the user manipulates. When the user makes some action I draw to the user buffer, using some blending. Then to redraw the whole scene what I want to do is clear the view buffer, draw the background buffer to the view buffer, change the blending, then draw the user buffer to the view buffer. Finally render the view buffer to the render buffer. However I can't figure out how to draw a FBO to another FBO. What I want to do is essentially merge and blend two FBOs, but I can't figure out how! I'm very new to OpenGL ES, so thanks for all the help.

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  • Representing robot's elbow angle in 3-D

    - by Onkar Deshpande
    I am given coordinates of two points in 3-D viz. shoulder point and object point(to which I am supposed to reach). I am also given the length from my shoulder-to-elbow arm and the length of my forearm. I am trying to solve for the unknown position(the position of the joint elbow). I am using cosine rule to find out the elbow angle. Here is my code - #include <stdio.h> #include <math.h> #include <stdlib.h> struct point { double x, y, z; }; struct angles { double clock_wise; double counter_clock_wise; }; double max(double a, double b) { return (a > b) ? a : b; } /* * Check if the combination can make a triangle by considering the fact that sum * of any two sides of a triangle is greater than the remaining side. The * overlapping condition of links is handled separately in main(). */ int valid_triangle(struct point p0, double l0, struct point p1, double l1) { double dist = sqrt(pow((fabs(p1.z - p0.z)), 2) + pow((fabs(p1.y - p0.y)), 2) + pow((fabs(p1.x - p0.x)), 2)); if((max(dist, l0) == dist) && max(dist, l1) == dist) { return (dist < (l0 + l1)); } else if((max(dist, l0) == l0) && (max(l0, l1) == l0)) { return (l0 < (dist + l1)); } else { return (l1 < (dist + l0)); } } /* * Cosine rule is used to find the elbow angle. Positive value indicates a * counter clockwise angle while negative value indicates a clockwise angle. * Since this problem has at max 2 solutions for any given position of P0 and * P1, I am returning a structure of angles which can be used to consider angles * from both direction viz. clockwise-negative and counter-clockwise-positive */ void return_config(struct point p0, double l0, struct point p1, double l1, struct angles *a) { double dist = sqrt(pow((fabs(p1.z - p0.z)), 2) + pow((fabs(p1.y - p0.y)), 2) + pow((fabs(p1.x - p0.x)), 2)); double degrees = (double) acos((l0 * l0 + l1 * l1 - dist * dist) / (2 * l0 * l1)) * (180.0f / 3.1415f); a->clock_wise = -degrees; a->counter_clock_wise = degrees; } int main() { struct point p0, p1; struct angles a; p0.x = 15, p0.y = 4, p0.z = 0; p1.x = 20, p1.y = 4, p1.z = 0; double l0 = 5, l1 = 8; if(valid_triangle(p0, l0, p1, l1)) { printf("Three lengths can make a valid configuration \n"); return_config(p0, l0, p1, l1, &a); printf("Angle of the elbow point (clockwise) = %lf, (counter clockwise) = %lf \n", a.clock_wise, a.counter_clock_wise); } else { double dist = sqrt(pow((fabs(p1.z - p0.z)), 2) + pow((fabs(p1.y - p0.y)), 2) + pow((fabs(p1.x - p0.x)), 2)); if((dist <= (l0 + l1)) && (dist > l0)) { a.clock_wise = -180.0f; a.counter_clock_wise = 180.0f; printf("Angle of the elbow point (clockwise) = %lf, (counter clockwise) = %lf \n", a.clock_wise, a.counter_clock_wise); } else if((dist <= fabs(l0 - l1)) && (dist < l0)){ a.clock_wise = -0.0f; a.counter_clock_wise = 0.0f; printf("Angle of the elbow point (clockwise) = %lf, (counter clockwise) = %lf \n", a.clock_wise, a.counter_clock_wise); } else printf("Given combination cannot make a valid configuration\n"); } return 0; } However, this solution makes sense only in 2-D. Because clockwise and counter-clockwise are meaningless without an axis and direction of rotation. Returning only an angle is technically correct but it leaves a lot of work for the client of this function to use the result in meaningful way. How can I make the changes to get the axis and direction of rotation ? Also, I want to know how many possible solution could be there for this problem. Please let me know your thoughts ! Any help is highly appreciated ...

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  • Use Excel VBA to fill out and submit Google Docs form

    - by guitarthrower
    I'm trying to do something like this post but with Excel VBA. I would like to submit a response on a google docs form each time a button is pressed on an Excel add-in. The addin will be an XLA file and written in VBA. I want to be able to collect what features the users are using. If someone has a better solution, I'm open. ---Edit--- This is the form I am trying to write to (excerpt of the code for one of the fields.) <div class="errorbox-good"> <div class="ss-item ss-item-required ss-text"> <div class="ss-form-entry"> <label for="entry_0" class="ss-q-title"> UserName <span class="ss-required-asterisk">*</span> </label> <label for="entry_0" class="ss-q-help"></label> <input type="text" id="entry_0" class="ss-q-short" value="" name="entry.0.single"> </div> </div> </div>

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  • Need help with implementing collision detection using the Separating Axis Theorem

    - by Eddie Ringle
    So, after hours of Googling and reading, I've found that the basic process of detecting a collision using SAT is: for each edge of poly A project A and B onto the normal for this edge if intervals do not overlap, return false end for for each edge of poly B project A and B onto the normal for this edge if intervals do not overlap, return false end for However, as many ways as I try to implement this in code, I just cannot get it to detect the collision. My current code is as follows: for (unsigned int i = 0; i < asteroids.size(); i++) { if (asteroids.valid(i)) { asteroids[i]->Update(); // Player-Asteroid collision detection bool collision = true; SDL_Rect asteroidBox = asteroids[i]->boundingBox; // Bullet-Asteroid collision detection for (unsigned int j = 0; j < player.bullets.size(); j++) { if (player.bullets.valid(j)) { Bullet b = player.bullets[j]; collision = true; if (b.x + (b.w / 2.0f) < asteroidBox.x - (asteroidBox.w / 2.0f)) collision = false; if (b.x - (b.w / 2.0f) > asteroidBox.x + (asteroidBox.w / 2.0f)) collision = false; if (b.y - (b.h / 2.0f) > asteroidBox.y + (asteroidBox.h / 2.0f)) collision = false; if (b.y + (b.h / 2.0f) < asteroidBox.y - (asteroidBox.h / 2.0f)) collision = false; if (collision) { bool realCollision = false; float min1, max1, min2, max2; // Create a list of vertices for the bullet CrissCross::Data::LList<Vector2D *> bullVerts; bullVerts.insert(new Vector2D(b.x - b.w / 2.0f, b.y + b.h / 2.0f)); bullVerts.insert(new Vector2D(b.x - b.w / 2.0f, b.y - b.h / 2.0f)); bullVerts.insert(new Vector2D(b.x + b.w / 2.0f, b.y - b.h / 2.0f)); bullVerts.insert(new Vector2D(b.x + b.w / 2.0f, b.y + b.h / 2.0f)); // Create a list of vectors of the edges of the bullet and the asteroid CrissCross::Data::LList<Vector2D *> bullEdges; CrissCross::Data::LList<Vector2D *> asteroidEdges; for (int k = 0; k < 4; k++) { int n = (k == 3) ? 0 : k + 1; bullEdges.insert(new Vector2D(bullVerts[k]->x - bullVerts[n]->x, bullVerts[k]->y - bullVerts[n]->y)); asteroidEdges.insert(new Vector2D(asteroids[i]->vertices[k]->x - asteroids[i]->vertices[n]->x, asteroids[i]->vertices[k]->y - asteroids[i]->vertices[n]->y)); } for (unsigned int k = 0; k < asteroidEdges.size(); k++) { Vector2D *axis = asteroidEdges[k]->getPerpendicular(); min1 = max1 = axis->dotProduct(asteroids[i]->vertices[0]); for (unsigned int l = 1; l < asteroids[i]->vertices.size(); l++) { float test = axis->dotProduct(asteroids[i]->vertices[l]); min1 = (test < min1) ? test : min1; max1 = (test > max1) ? test : max1; } min2 = max2 = axis->dotProduct(bullVerts[0]); for (unsigned int l = 1; l < bullVerts.size(); l++) { float test = axis->dotProduct(bullVerts[l]); min2 = (test < min2) ? test : min2; max2 = (test > max2) ? test : max2; } delete axis; axis = NULL; if ( (min1 - max2) > 0 || (min2 - max1) > 0 ) { realCollision = false; break; } else { realCollision = true; } } if (realCollision == false) { for (unsigned int k = 0; k < bullEdges.size(); k++) { Vector2D *axis = bullEdges[k]->getPerpendicular(); min1 = max1 = axis->dotProduct(asteroids[i]->vertices[0]); for (unsigned int l = 1; l < asteroids[i]->vertices.size(); l++) { float test = axis->dotProduct(asteroids[i]->vertices[l]); min1 = (test < min1) ? test : min1; max1 = (test > max1) ? test : max1; } min2 = max2 = axis->dotProduct(bullVerts[0]); for (unsigned int l = 1; l < bullVerts.size(); l++) { float test = axis->dotProduct(bullVerts[l]); min2 = (test < min2) ? test : min2; max2 = (test > max2) ? test : max2; } delete axis; axis = NULL; if ( (min1 - max2) > 0 || (min2 - max1) > 0 ) { realCollision = false; break; } else { realCollision = true; } } } if (realCollision) { player.bullets.remove(j); int numAsteroids; float newDegree; srand ( j + asteroidBox.x ); if ( asteroids[i]->degree == 90.0f ) { if ( rand() % 2 == 1 ) { numAsteroids = 3; newDegree = 30.0f; } else { numAsteroids = 2; newDegree = 45.0f; } for ( int k = 0; k < numAsteroids; k++) asteroids.insert(new Asteroid(asteroidBox.x + (10 * k), asteroidBox.y + (10 * k), newDegree)); } delete asteroids[i]; asteroids.remove(i); } while (bullVerts.size()) { delete bullVerts[0]; bullVerts.remove(0); } while (bullEdges.size()) { delete bullEdges[0]; bullEdges.remove(0); } while (asteroidEdges.size()) { delete asteroidEdges[0]; asteroidEdges.remove(0); } } } } } } bullEdges is a list of vectors of the edges of a bullet, asteroidEdges is similar, and bullVerts and asteroids[i].vertices are, obviously, lists of vectors of each vertex for the respective bullet or asteroid. Honestly, I'm not looking for code corrections, just a fresh set of eyes.

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  • OpenGL ES clarifying question regarding FBOs -- sorry can't find this info anywhere else?

    - by DevDevDev
    If I instantiate an FBO without binding a rendering buffer or a texture to it, what happens when I draw to it, nothing? Do I need to associate a rendering target (renderbuffer or texture) to have an FBO do anything? What I'm trying to do is precache some buffers and then merge them later, but that doesn't seem to work at all. Ideally I'd like to do something like glBindFramebufferOES(GL_FRAMEBUFFER_OES, fbo1); // Draw some stuff to fbo1 glBindFramebufferOES(GL_FRAMEBUFFER_OES, fbo2); // Draw some stuff to fbo2 // ... // ... // glRenderFbo(fbo1); -- Not a func // Set blending, etc. etc. // glRenderFbo(fbo2); -- Not a func

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  • flash as3, fade in/out layering problem

    - by Jackson Smith
    Ok, what im trying to do is make a day to night cycle behind my landscape. There is a sun and a moon, they rotate in a circle on opposite sides. (i.e. the sun is up when the moon is down and vice versa) when the sun is coming up it should fade from the night movieclip to the dawn movieclip, then when the sun is up a little bit more, fade into the day moviclip, this works quite well, but, for some reason, when it gets to the sunset, it just wont work :/ and the same goes for when it goes from the sunset to night :/ any and all healp is greatly appreciated, ive spent 5 hours trying to figure this out and cant! please help! stage.addEventListener(Event.ENTER_FRAME, daynightcycle) //setChildIndex(night, getChildIndex(day)); setChildIndex(sunset, 0); setChildIndex(day, 1); setChildIndex(dawn, 2); setChildIndex(night, 3); function daynightcycle(e:Event):void { if(sun.currentLabel == "dawn") { setChildIndex(sunset, 0); setChildIndex(day, 1); setChildIndex(dawn, 2); setChildIndex(night, 3); stage.addEventListener(Event.ENTER_FRAME, nightTdawn); }else if(sun.currentLabel == "sunset") { setChildIndex(dawn, 0); setChildIndex(night, 1); setChildIndex(sunset, 2); setChildIndex(day, 3); stage.addEventListener(Event.ENTER_FRAME, dayTsunset); }else if(sun.currentLabel == "night") { setChildIndex(day, 0); setChildIndex(dawn, 1); setChildIndex(night, 2); setChildIndex(sunset, 3); stage.addEventListener(Event.ENTER_FRAME, sunsetTnight); }else if(sun.currentLabel == "day") { setChildIndex(night, 0); setChildIndex(sunset, 1); setChildIndex(day, 2); setChildIndex(dawn, 3); stage.addEventListener(Event.ENTER_FRAME, dawnTday); }else if(sun.currentLabel == "switch") { stage.addEventListener(Event.ENTER_FRAME, switchLayers); } } function nightTdawn(e:Event):void { if(night.alpha != 0) { night.alpha -= 0.01; }else { stage.removeEventListener(Event.ENTER_FRAME, nightTdawn); night.alpha = 100; //setChildIndex(night, getChildIndex(sunset)); } } function dayTsunset(e:Event):void { if(day.alpha != 0) { day.alpha -= 0.01; }else { stage.removeEventListener(Event.ENTER_FRAME, dayTsunset); day.alpha = 100; //setChildIndex(day, getChildIndex(dawn)); } //day.visible = false; //sunset.visible = true; } function sunsetTnight(e:Event):void { if(sunset.alpha != 0) { sunset.alpha -= 0.01; }else{ stage.removeEventListener(Event.ENTER_FRAME, sunsetTnight); sunset.alpha = 100; //setChildIndex(sunset, (getChildIndex(day))); } //sunset.visible = false; //night.visible = true; } function dawnTday(e:Event):void { sunset.visible = true; day.visible = true; if(dawn.alpha != 0) { dawn.alpha -= 0.01; }else{ stage.removeEventListener(Event.ENTER_FRAME, dawnTday); dawn.alpha = 100; //setChildIndex(dawn, (getChildIndex(night))); } } function switchLayers(e:Event):void { setChildIndex(dawn, 0); setChildIndex(night, 1); setChildIndex(sunset, 2); setChildIndex(day, 3); night.alpha = 100; sunset.alpha = 100; day.alpha = 100; dawn.alpha = 100; stage.removeEventListener(Event.ENTER_FRAME, switchLayers); }

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  • Nintendo DSi SDK : Getting Started

    - by Hugoware
    Does anyone have a good starting point for learning about development for the new Nintendo DSi? What kind of hardware do you need to develop and test something like this? Can you develop for the DSi using the standard DS? What language do you need to use? [Bonus Question] : I also heard the new DSi is going to get an App Store similar to Apple - Are developers going to be able to sell games using this?

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