Corona - Feature Requests/Feedback

Welcome to the Corona SDK feature request/feedback tool.

Tell us what features you would like to see in Corona by entering new ones and/or voting on existing entries.

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What features should we add to Corona?

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  1. polygon

    Currently you can gradient paint a polygon in only 4 directions. It would be really useful to be able to provide an angle (0-360) to apply the gradient fill.

    I would also like to paint a texture and apply a rotation to that texture as part of the fill.

    I only work in isometric so the standard left, right, up and down fills do not work for me.

    3 votes
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      0 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
    • Support for image sheets in composite.fill.effect

      Hey guys,
      I've found this amazing tool here called "Dynamic Shader".
      With this you can bring easily nice light effects to your game.

      There's just one big thing, the objects that you can apply the light on can't be sprites from an image sheet. It must be a single image.

      The developer of the tool said this here:
      <quote>
      The graphics 2.0 composite.fill.effect parameters require a "type" (like "image") and a location of the image files. Since image sheets are one big file, I have to break up the sprites and normal maps on those sheets and re-save them as…

      21 votes
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        0 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
      • Custom text on activity indicator

        Its would be cool if we could customize activity indicator putting our text inside it

        3 votes
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          0 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
        • transition library

          expanded library to allow for curved line transitions, perhaps by a 'function' parameter like {time = 1000, delay =150, function = x^2,[0,4]} where x^2 is the function and is transitioned from x = 0 to x = 4
          of course, pre-defined functions would be great!

          also would like to add multiple transitions to an object without having to stack them and calculate the delays for each movement.

          1 vote
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            0 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
          • Support for GIFs

            I'd like to be able to display GIFs (not using a web view because i need to be able to overlay call-to-action text on top). Basically would like to display a bunch of gifs, and give the user the ability to do things like forward, copy, etc... It seems to be supported natively by iOS now where it wasn't before

            15 votes
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              0 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
            • Offset circular bodies

              An offset value for circular bodies in much the same way that offset/angled rectangular bodies can be defined. Adding the ability to offset a circular body would allow many shapes with much greater ease than currently.

              1 vote
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                0 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
              • Update mask

                Mask are a very old stuff. It's horrible to use them. A major update is need.
                - Auto create of mask for tap and touch object to not detect transparent part (the image can be create during build).
                - ImageSheet for mask
                - Native use imageSuffix
                - ....

                6 votes
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                  0 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
                • Get the exact with and height of the text content

                  It would be so great to get the exact height and with of the text object contents, even after the text field content changes.

                  6 votes
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                    0 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
                  • 6 votes
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                      0 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
                    • Full Orientation Support for CoronaCards

                      Add support to CoronaCards to change orientation in the same way as standard Corona apps do

                      6 votes
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                        1 comment  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
                      • Ability to empty a GroupObject in a single method call.

                        In a tight loop, I've found that iterating a GroupObject and removing children can be quite expensive when there are a lot of child objects (think 500-1000), could we have a method like group:clear() or group:empty() to remove all of the elements quickly in the native side of things?

                        5 votes
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                          1 comment  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
                        • APNG Anim PNG

                          APNG will realy help us to do lighter apps.
                          It's a not very use but very powerfull. It's between PNG and GIF

                          13 votes
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                            under review  ·  0 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
                          • display.captureBounds, Ability to specify the destination bounds

                            It would be nice if display.captureBounds() accepted a destination rectangle, so we could say capture a 400x400 area in the screen, but have the output DisplayObject was at say 100x100 or 50x50.

                            While it is possible to downsize the rectangle manually, there are benefits to rendering to a downsized version besides reduced memory consumption and rendering overhead. Currently, blurring a portion of the screen requires capturing that area of the screen every frame and then applying a costly blur shader. It is cheaper (resource wise) to take a down-sized sample of the image and stretch it to fullsize to produce…

                            6 votes
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                              0 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
                            • Trimmed Images from tools like TexturePacker should be "untrimmed" when loaded in Corona

                              Currently, when you create a trimmed image sheet in TexturePacker, Corona takes the sourceWidth and height and positions the image within those dimensions.

                              Corona should also scale the trimmed image within those dimensions so that you can supply an arbitrary width and height to display.newImageRect() and get a proportional image.

                              You can dig into the SheetInfo table to get the frame's trimmed width and height, and scale that manually to create a proportional image relative to the new width and height that you want. But Corona should do this automatically behind the scenes if it detects that an image has…

                              11 votes
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                                planned  ·  1 comment  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
                              • Image sheet fills

                                Currently, fills (regular and composite) require a filename and cannot be filled with an image sheet. This should be changed so that image sheets can be used for fills and both paint properties in composite fills.

                                0 votes
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                                  1 comment  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
                                • Add object.left, .right, .top., and .bottom for easier relative positioning.

                                  Let's say you want to position a "Done" button to the right of a text field. For that, you calculate the button's y position according to the text field's y but you also have to consider the anchor property too.
                                  If after the fact, the text field's anchor is changed, then the button's position will also change and will require some tweaking to set it right.

                                  If instead, each display object had a .right property that -no matter what the anchor was- always denoted the rightmost coordinates, then changing the anchor on an object would not affect the positioning of…

                                  7 votes
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                                    4 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
                                  • Allow the group for physics.drawMode to be set

                                    When debugging physics behaviour in games which have camera systems to pan across levels, it would be useful to be able to instruct the physics engine to draw the results of draw mode into a specific group.

                                    4 votes
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                                      0 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
                                    • Telerik UI

                                      I guess incorporating Telerik would need a lot of work to happen. But for most indie developers it is a dream to have a professional look UI such as the one Telerik provides for various platforms. Many thanks for your great work.

                                      8 votes
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                                        0 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Configure texture format

                                        See: https://forums.coronalabs.com/topic/62280-changing-coronas-texture-format

                                        It would be great if we could configure the texture format Corona uses internally. This would enable games which do not require true color graphics to effectively half their texture memory footprint when using RGBA4444 or RGB565 texture formats instead of RGBA8888 or RGB888.

                                        Maybe it would be sufficient to add a trueColor flag to config.lua or a 16/32 bits toggle.

                                        22 votes
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                                          1 comment  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Custom display objects

                                          A number of possibilities would open up if we could invoke our own logic when an object's turn comes around for rendering.

                                          This might involve deriving from some "custom object prototype" class, where you supply a few methods, say:

                                          Object:Create() -- instantiate one of the objects, possibly redundant
                                          Object:Destroy() -- clean up any resources
                                          Object:Draw() -- perform custom rendering
                                          Object:Resume() -- recover from device loss or app suspend...
                                          Object:Suspend() -- ...handle the loss / suspend itself

                                          You then create your object and stuff it in a group as usual.

                                          I'm probably overlooking a detail or two, but the above ought…

                                          23 votes
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                                            3 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
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