From 8a169c7b367c4d426adcc9b8274514109c9cf70a Mon Sep 17 00:00:00 2001 From: Tony Bark Date: Mon, 8 Mar 2021 14:49:10 -0500 Subject: [PATCH] Initial commit --- .gitignore | 144 +++++++++++++++++ LICENSE | 373 +++++++++++++++++++++++++++++++++++++++++++ README.md | 3 + default_env.tres | 7 + icon.png | Bin 0 -> 3305 bytes icon.png.import | 34 ++++ project.godot | 28 ++++ scenes/Game.tscn | 12 ++ scenes/Home.tscn | 8 + scenes/Renderer.tscn | 14 ++ scripts/Chip8.gd | 119 ++++++++++++++ 11 files changed, 742 insertions(+) create mode 100644 .gitignore create mode 100644 LICENSE create mode 100644 README.md create mode 100644 default_env.tres create mode 100644 icon.png create mode 100644 icon.png.import create mode 100644 project.godot create mode 100644 scenes/Game.tscn create mode 100644 scenes/Home.tscn create mode 100644 scenes/Renderer.tscn create mode 100644 scripts/Chip8.gd diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..8451818 --- /dev/null +++ b/.gitignore @@ -0,0 +1,144 @@ +# File created using '.gitignore Generator' for Visual Studio Code: https://bit.ly/vscode-gig + +# Created by https://www.toptal.com/developers/gitignore/api/visualstudiocode,macos,archives,executable,godot,linux,windows +# Edit at https://www.toptal.com/developers/gitignore?templates=visualstudiocode,macos,archives,executable,godot,linux,windows + +### Archives ### +# It's better to unpack these files and commit the raw source because +# git has its own built in compression methods. +*.7z +*.jar +*.rar +*.zip +*.gz +*.gzip +*.tgz +*.bzip +*.bzip2 +*.bz2 +*.xz +*.lzma +*.cab +*.xar + +# Packing-only formats +*.iso +*.tar + +# Package management formats +*.dmg +*.xpi +*.gem +*.egg +*.deb +*.rpm +*.msi +*.msm +*.msp +*.txz + +### Executable ### +*.app +*.bat +*.cgi +*.com +*.exe +*.gadget +*.pif +*.vb +*.wsf + +### Godot ### + +# Godot-specific ignores +.import/ +export.cfg +export_presets.cfg + +# Imported translations (automatically generated from CSV files) +*.translation + +# Mono-specific ignores +.mono/ +data_*/ + +### Linux ### +*~ + +# temporary files which can be created if a process still has a handle open of a deleted file +.fuse_hidden* + +# KDE directory preferences +.directory + +# Linux trash folder which might appear on any partition or disk +.Trash-* + +# .nfs files are created when an open file is removed but is still being accessed +.nfs* + +### macOS ### +# General +.DS_Store +.AppleDouble +.LSOverride + +# Icon must end with two \r +Icon + +# Thumbnails +._* + +# Files that might appear in the root of a volume +.DocumentRevisions-V100 +.fseventsd +.Spotlight-V100 +.TemporaryItems +.Trashes +.VolumeIcon.icns +.com.apple.timemachine.donotpresent + +# Directories potentially created on remote AFP share +.AppleDB +.AppleDesktop +Network Trash Folder +Temporary Items +.apdisk + +### VisualStudioCode ### +.vscode/* +!.vscode/tasks.json +!.vscode/launch.json +*.code-workspace + +### VisualStudioCode Patch ### +# Ignore all local history of files +.history +.ionide + +### Windows ### +# Windows thumbnail cache files +Thumbs.db +Thumbs.db:encryptable +ehthumbs.db +ehthumbs_vista.db + +# Dump file +*.stackdump + +# Folder config file +[Dd]esktop.ini + +# Recycle Bin used on file shares +$RECYCLE.BIN/ + +# Windows Installer files +*.msix + +# Windows shortcuts +*.lnk + +# End of https://www.toptal.com/developers/gitignore/api/visualstudiocode,macos,archives,executable,godot,linux,windows + +# Custom rules (everything added below won't be overriden by 'Generate .gitignore File' if you use 'Update' option) + diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..a612ad9 --- /dev/null +++ b/LICENSE @@ -0,0 +1,373 @@ +Mozilla Public License Version 2.0 +================================== + +1. Definitions +-------------- + +1.1. "Contributor" + means each individual or legal entity that creates, contributes to + the creation of, or owns Covered Software. + +1.2. "Contributor Version" + means the combination of the Contributions of others (if any) used + by a Contributor and that particular Contributor's Contribution. + +1.3. "Contribution" + means Covered Software of a particular Contributor. + +1.4. "Covered Software" + means Source Code Form to which the initial Contributor has attached + the notice in Exhibit A, the Executable Form of such Source Code + Form, and Modifications of such Source Code Form, in each case + including portions thereof. + +1.5. "Incompatible With Secondary Licenses" + means + + (a) that the initial Contributor has attached the notice described + in Exhibit B to the Covered Software; or + + (b) that the Covered Software was made available under the terms of + version 1.1 or earlier of the License, but not also under the + terms of a Secondary License. + +1.6. "Executable Form" + means any form of the work other than Source Code Form. + +1.7. "Larger Work" + means a work that combines Covered Software with other material, in + a separate file or files, that is not Covered Software. + +1.8. "License" + means this document. + +1.9. "Licensable" + means having the right to grant, to the maximum extent possible, + whether at the time of the initial grant or subsequently, any and + all of the rights conveyed by this License. + +1.10. "Modifications" + means any of the following: + + (a) any file in Source Code Form that results from an addition to, + deletion from, or modification of the contents of Covered + Software; or + + (b) any new file in Source Code Form that contains any Covered + Software. + +1.11. "Patent Claims" of a Contributor + means any patent claim(s), including without limitation, method, + process, and apparatus claims, in any patent Licensable by such + Contributor that would be infringed, but for the grant of the + License, by the making, using, selling, offering for sale, having + made, import, or transfer of either its Contributions or its + Contributor Version. + +1.12. "Secondary License" + means either the GNU General Public License, Version 2.0, the GNU + Lesser General Public License, Version 2.1, the GNU Affero General + Public License, Version 3.0, or any later versions of those + licenses. + +1.13. "Source Code Form" + means the form of the work preferred for making modifications. + +1.14. "You" (or "Your") + means an individual or a legal entity exercising rights under this + License. For legal entities, "You" includes any entity that + controls, is controlled by, or is under common control with You. For + purposes of this definition, "control" means (a) the power, direct + or indirect, to cause the direction or management of such entity, + whether by contract or otherwise, or (b) ownership of more than + fifty percent (50%) of the outstanding shares or beneficial + ownership of such entity. + +2. License Grants and Conditions +-------------------------------- + +2.1. Grants + +Each Contributor hereby grants You a world-wide, royalty-free, +non-exclusive license: + +(a) under intellectual property rights (other than patent or trademark) + Licensable by such Contributor to use, reproduce, make available, + modify, display, perform, distribute, and otherwise exploit its + Contributions, either on an unmodified basis, with Modifications, or + as part of a Larger Work; and + +(b) under Patent Claims of such Contributor to make, use, sell, offer + for sale, have made, import, and otherwise transfer either its + Contributions or its Contributor Version. + +2.2. Effective Date + +The licenses granted in Section 2.1 with respect to any Contribution +become effective for each Contribution on the date the Contributor first +distributes such Contribution. + +2.3. Limitations on Grant Scope + +The licenses granted in this Section 2 are the only rights granted under +this License. No additional rights or licenses will be implied from the +distribution or licensing of Covered Software under this License. +Notwithstanding Section 2.1(b) above, no patent license is granted by a +Contributor: + +(a) for any code that a Contributor has removed from Covered Software; + or + +(b) for infringements caused by: (i) Your and any other third party's + modifications of Covered Software, or (ii) the combination of its + Contributions with other software (except as part of its Contributor + Version); or + +(c) under Patent Claims infringed by Covered Software in the absence of + its Contributions. + +This License does not grant any rights in the trademarks, service marks, +or logos of any Contributor (except as may be necessary to comply with +the notice requirements in Section 3.4). + +2.4. Subsequent Licenses + +No Contributor makes additional grants as a result of Your choice to +distribute the Covered Software under a subsequent version of this +License (see Section 10.2) or under the terms of a Secondary License (if +permitted under the terms of Section 3.3). + +2.5. Representation + +Each Contributor represents that the Contributor believes its +Contributions are its original creation(s) or it has sufficient rights +to grant the rights to its Contributions conveyed by this License. + +2.6. Fair Use + +This License is not intended to limit any rights You have under +applicable copyright doctrines of fair use, fair dealing, or other +equivalents. + +2.7. Conditions + +Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted +in Section 2.1. + +3. Responsibilities +------------------- + +3.1. Distribution of Source Form + +All distribution of Covered Software in Source Code Form, including any +Modifications that You create or to which You contribute, must be under +the terms of this License. You must inform recipients that the Source +Code Form of the Covered Software is governed by the terms of this +License, and how they can obtain a copy of this License. You may not +attempt to alter or restrict the recipients' rights in the Source Code +Form. + +3.2. Distribution of Executable Form + +If You distribute Covered Software in Executable Form then: + +(a) such Covered Software must also be made available in Source Code + Form, as described in Section 3.1, and You must inform recipients of + the Executable Form how they can obtain a copy of such Source Code + Form by reasonable means in a timely manner, at a charge no more + than the cost of distribution to the recipient; and + +(b) You may distribute such Executable Form under the terms of this + License, or sublicense it under different terms, provided that the + license for the Executable Form does not attempt to limit or alter + the recipients' rights in the Source Code Form under this License. + +3.3. Distribution of a Larger Work + +You may create and distribute a Larger Work under terms of Your choice, +provided that You also comply with the requirements of this License for +the Covered Software. If the Larger Work is a combination of Covered +Software with a work governed by one or more Secondary Licenses, and the +Covered Software is not Incompatible With Secondary Licenses, this +License permits You to additionally distribute such Covered Software +under the terms of such Secondary License(s), so that the recipient of +the Larger Work may, at their option, further distribute the Covered +Software under the terms of either this License or such Secondary +License(s). + +3.4. Notices + +You may not remove or alter the substance of any license notices +(including copyright notices, patent notices, disclaimers of warranty, +or limitations of liability) contained within the Source Code Form of +the Covered Software, except that You may alter any license notices to +the extent required to remedy known factual inaccuracies. + +3.5. Application of Additional Terms + +You may choose to offer, and to charge a fee for, warranty, support, +indemnity or liability obligations to one or more recipients of Covered +Software. However, You may do so only on Your own behalf, and not on +behalf of any Contributor. You must make it absolutely clear that any +such warranty, support, indemnity, or liability obligation is offered by +You alone, and You hereby agree to indemnify every Contributor for any +liability incurred by such Contributor as a result of warranty, support, +indemnity or liability terms You offer. You may include additional +disclaimers of warranty and limitations of liability specific to any +jurisdiction. + +4. Inability to Comply Due to Statute or Regulation +--------------------------------------------------- + +If it is impossible for You to comply with any of the terms of this +License with respect to some or all of the Covered Software due to +statute, judicial order, or regulation then You must: (a) comply with +the terms of this License to the maximum extent possible; and (b) +describe the limitations and the code they affect. Such description must +be placed in a text file included with all distributions of the Covered +Software under this License. Except to the extent prohibited by statute +or regulation, such description must be sufficiently detailed for a +recipient of ordinary skill to be able to understand it. + +5. Termination +-------------- + +5.1. The rights granted under this License will terminate automatically +if You fail to comply with any of its terms. However, if You become +compliant, then the rights granted under this License from a particular +Contributor are reinstated (a) provisionally, unless and until such +Contributor explicitly and finally terminates Your grants, and (b) on an +ongoing basis, if such Contributor fails to notify You of the +non-compliance by some reasonable means prior to 60 days after You have +come back into compliance. Moreover, Your grants from a particular +Contributor are reinstated on an ongoing basis if such Contributor +notifies You of the non-compliance by some reasonable means, this is the +first time You have received notice of non-compliance with this License +from such Contributor, and You become compliant prior to 30 days after +Your receipt of the notice. + +5.2. If You initiate litigation against any entity by asserting a patent +infringement claim (excluding declaratory judgment actions, +counter-claims, and cross-claims) alleging that a Contributor Version +directly or indirectly infringes any patent, then the rights granted to +You by any and all Contributors for the Covered Software under Section +2.1 of this License shall terminate. + +5.3. In the event of termination under Sections 5.1 or 5.2 above, all +end user license agreements (excluding distributors and resellers) which +have been validly granted by You or Your distributors under this License +prior to termination shall survive termination. + +************************************************************************ +* * +* 6. Disclaimer of Warranty * +* ------------------------- * +* * +* Covered Software is provided under this License on an "as is" * +* basis, without warranty of any kind, either expressed, implied, or * +* statutory, including, without limitation, warranties that the * +* Covered Software is free of defects, merchantable, fit for a * +* particular purpose or non-infringing. The entire risk as to the * +* quality and performance of the Covered Software is with You. * +* Should any Covered Software prove defective in any respect, You * +* (not any Contributor) assume the cost of any necessary servicing, * +* repair, or correction. This disclaimer of warranty constitutes an * +* essential part of this License. No use of any Covered Software is * +* authorized under this License except under this disclaimer. * +* * +************************************************************************ + +************************************************************************ +* * +* 7. Limitation of Liability * +* -------------------------- * +* * +* Under no circumstances and under no legal theory, whether tort * +* (including negligence), contract, or otherwise, shall any * +* Contributor, or anyone who distributes Covered Software as * +* permitted above, be liable to You for any direct, indirect, * +* special, incidental, or consequential damages of any character * +* including, without limitation, damages for lost profits, loss of * +* goodwill, work stoppage, computer failure or malfunction, or any * +* and all other commercial damages or losses, even if such party * +* shall have been informed of the possibility of such damages. This * +* limitation of liability shall not apply to liability for death or * +* personal injury resulting from such party's negligence to the * +* extent applicable law prohibits such limitation. Some * +* jurisdictions do not allow the exclusion or limitation of * +* incidental or consequential damages, so this exclusion and * +* limitation may not apply to You. * +* * +************************************************************************ + +8. Litigation +------------- + +Any litigation relating to this License may be brought only in the +courts of a jurisdiction where the defendant maintains its principal +place of business and such litigation shall be governed by laws of that +jurisdiction, without reference to its conflict-of-law provisions. +Nothing in this Section shall prevent a party's ability to bring +cross-claims or counter-claims. + +9. Miscellaneous +---------------- + +This License represents the complete agreement concerning the subject +matter hereof. If any provision of this License is held to be +unenforceable, such provision shall be reformed only to the extent +necessary to make it enforceable. Any law or regulation which provides +that the language of a contract shall be construed against the drafter +shall not be used to construe this License against a Contributor. + +10. Versions of the License +--------------------------- + +10.1. New Versions + +Mozilla Foundation is the license steward. Except as provided in Section +10.3, no one other than the license steward has the right to modify or +publish new versions of this License. Each version will be given a +distinguishing version number. + +10.2. Effect of New Versions + +You may distribute the Covered Software under the terms of the version +of the License under which You originally received the Covered Software, +or under the terms of any subsequent version published by the license +steward. + +10.3. Modified Versions + +If you create software not governed by this License, and you want to +create a new license for such software, you may create and use a +modified version of this License if you rename the license and remove +any references to the name of the license steward (except to note that +such modified license differs from this License). + +10.4. Distributing Source Code Form that is Incompatible With Secondary +Licenses + +If You choose to distribute Source Code Form that is Incompatible With +Secondary Licenses under the terms of this version of the License, the +notice described in Exhibit B of this License must be attached. + +Exhibit A - Source Code Form License Notice +------------------------------------------- + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. + +If it is not possible or desirable to put the notice in a particular +file, then You may include the notice in a location (such as a LICENSE +file in a relevant directory) where a recipient would be likely to look +for such a notice. + +You may add additional accurate notices of copyright ownership. + +Exhibit B - "Incompatible With Secondary Licenses" Notice +--------------------------------------------------------- + + This Source Code Form is "Incompatible With Secondary Licenses", as + defined by the Mozilla Public License, v. 2.0. diff --git a/README.md b/README.md new file mode 100644 index 0000000..8aeff1f --- /dev/null +++ b/README.md @@ -0,0 +1,3 @@ +# Retro8 + +Retro8 is a CHIP-8 emulator that I hope to turn into a fantasy console. \ No newline at end of file diff --git a/default_env.tres b/default_env.tres new file mode 100644 index 0000000..20207a4 --- /dev/null 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z6!_O=*(}MK!YeyJpmgu(cF1tpEv}m;0s8{4z4HlHyMxDncn8zs!g+OXEk`CeEj}9N zq#Ag1$#jyV_5AjYQg*!mS->;`S^;iU)ih9D+eks)H2z`1RHny;F<^CEwk+}d^k^Ph zl);*XQ|ayL;rZWh=fA(G2#AJz1&r&as9I8S@9m3Owftrb5n*)pTluK^9LHOFIo{G2 zG}l$9R*{<+L2hCsOJ~Lt6Q-rRub*8X{*4{)e}>%=_&DxOFeq1LRia4Yyj*Tyynw>F zxkKf(MiaG0*L|V-^Zhtvg-(-|F0&1rU8bqab*n5TT8~C860O$|6Rt%P1=1(EjIQZ% z;Y^PU2VC*~^2!sG?mbBPS0~0yd-+086)+rHjhfk6>CB$t`o%;=kdYF9NwiKkwbIpN z;_FlOuHQHHSZ&@fUuSI-S*t`DjsiIB z{=1M@JKVC$a8z{2;xCPfRb{~T>uo#5rL4L+z9n`rSUt3Tt nAZ`TZm+q1gPVN84&*%Ra7her>#-hHS00000NkvXXu0mjf|6N@O literal 0 HcmV?d00001 diff --git a/icon.png.import b/icon.png.import new file mode 100644 index 0000000..96cbf46 --- /dev/null +++ b/icon.png.import @@ -0,0 +1,34 @@ +[remap] + +importer="texture" +type="StreamTexture" +path="res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.stex" +metadata={ +"vram_texture": false +} + +[deps] + +source_file="res://icon.png" +dest_files=[ "res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.stex" ] + +[params] + +compress/mode=0 +compress/lossy_quality=0.7 +compress/hdr_mode=0 +compress/bptc_ldr=0 +compress/normal_map=0 +flags/repeat=0 +flags/filter=true +flags/mipmaps=false +flags/anisotropic=false +flags/srgb=2 +process/fix_alpha_border=true +process/premult_alpha=false +process/HDR_as_SRGB=false +process/invert_color=false +stream=false +size_limit=0 +detect_3d=true +svg/scale=1.0 diff --git a/project.godot b/project.godot new file mode 100644 index 0000000..079fab6 --- /dev/null +++ b/project.godot @@ -0,0 +1,28 @@ +; Engine configuration file. +; It's best edited using the editor UI and not directly, +; since the parameters that go here are not all obvious. +; +; Format: +; [section] ; section goes between [] +; param=value ; assign values to parameters + +config_version=4 + +_global_script_classes=[ ] +_global_script_class_icons={ + +} + +[application] + +config/name="Retro8" +config/description="Chip8 emulator." +run/main_scene="res://scenes/Game.tscn" +config/icon="res://icon.png" + +[rendering] + +quality/driver/driver_name="GLES2" +vram_compression/import_etc=true +vram_compression/import_etc2=false +environment/default_environment="res://default_env.tres" diff --git a/scenes/Game.tscn b/scenes/Game.tscn new file mode 100644 index 0000000..fbe198c --- /dev/null +++ b/scenes/Game.tscn @@ -0,0 +1,12 @@ +[gd_scene load_steps=2 format=2] + +[ext_resource path="res://scenes/Renderer.tscn" type="PackedScene" id=1] + +[node name="Game" type="Control"] +anchor_right = 1.0 +anchor_bottom = 1.0 +__meta__ = { +"_edit_use_anchors_": true +} + +[node name="Renderer" parent="." instance=ExtResource( 1 )] diff --git a/scenes/Home.tscn b/scenes/Home.tscn new file mode 100644 index 0000000..1ed2c8f --- /dev/null +++ b/scenes/Home.tscn @@ -0,0 +1,8 @@ +[gd_scene format=2] + +[node name="Home" type="Control"] +anchor_right = 1.0 +anchor_bottom = 1.0 +__meta__ = { +"_edit_use_anchors_": true +} diff --git a/scenes/Renderer.tscn b/scenes/Renderer.tscn new file mode 100644 index 0000000..fa08f62 --- /dev/null +++ b/scenes/Renderer.tscn @@ -0,0 +1,14 @@ +[gd_scene load_steps=2 format=2] + +[ext_resource path="res://scripts/Chip8.gd" type="Script" id=1] + +[node name="Renderer" type="ColorRect"] +anchor_right = 1.0 +anchor_bottom = 1.0 +color = Color( 0, 0, 0, 1 ) +script = ExtResource( 1 ) +__meta__ = { +"_edit_use_anchors_": false +} + +[node name="AudioStreamPlayer" type="AudioStreamPlayer" parent="."] diff --git a/scripts/Chip8.gd b/scripts/Chip8.gd new file mode 100644 index 0000000..0cf1ba6 --- /dev/null +++ b/scripts/Chip8.gd @@ -0,0 +1,119 @@ +extends ColorRect + +var memory = [] +var registers = [] +var opcode = 0 +var index = 0 +var pc = 0 +var gfx = [] +var delay = 0 +var soundTimer = 0 +var stack = [] +var sp = 0 +var keys = [] +var isRedraw = true +var canRun = false +var fontSet = [ + 0xF0, 0x90, 0x90, 0x90, 0xF0, # 0 + 0x20, 0x60, 0x20, 0x20, 0x70, # 1 + 0xF0, 0x10, 0xF0, 0x80, 0xF0, # 2 + 0xF0, 0x10, 0xF0, 0x10, 0xF0, # 3 + 0x90, 0x90, 0xF0, 0x10, 0x10, # 4 + 0xF0, 0x80, 0xF0, 0x10, 0xF0, # 5 + 0xF0, 0x80, 0xF0, 0x90, 0xF0, # 6 + 0xF0, 0x10, 0x20, 0x40, 0x40, # 7 + 0xF0, 0x90, 0xF0, 0x90, 0xF0, # 8 + 0xF0, 0x90, 0xF0, 0x10, 0xF0, # 9 + 0xF0, 0x90, 0xF0, 0x90, 0x90, # A + 0xE0, 0x90, 0xE0, 0x90, 0xE0, # B + 0xF0, 0x80, 0x80, 0x80, 0xF0, # C + 0xE0, 0x90, 0x90, 0x90, 0xE0, # D + 0xF0, 0x80, 0xF0, 0x80, 0xF0, # E + 0xF0, 0x80, 0xF0, 0x80, 0x80 # F +] + +export var displayWidth = 64 +export var displayHeight = 32 + +export var memSize = 4096 +export var numRegisters = 16 +var displaySize = (displayWidth * displayHeight) +export var stackLevels = 16 +export var keyboardBtns = 16 + +func initSystem(): + + memory = [] + for i in range(memSize): + memory.append(0) + + registers = [] + for i in range(numRegisters): + registers.append(0) + + gfx = [] + for i in range(displaySize): + gfx.append(0) + + stack = [] + for i in range(stackLevels): + stack.append(0) + + keys = [] + for i in range(keyboardBtns): + keys.append(0) + + opcode = 0 + pc = 0x200 + index = 0 + sp = 0 + isRedraw = true + + for i in range(fontSet.size()): + memory[0x50 + i] = fontSet[i] & 0xFF + + +func runSystem(): + var jump = false + + opcode = (memory[pc] << 8) | memory[pc + 1] + + # Instructions + match (opcode & 0xF000): + 0x0000: + match (opcode & 0x0FFF): + 0x00E0: # CLS + for i in range(gfx.size()): + gfx[i] = 0 + + isRedraw = true + 0x00EE: # RET + sp -= 1 + pc = stack[sp] + 2 + jump = true + + _: + var addr = opcode & 0x0FFF + pc = addr + jump = true + + if (jump == false): + pc += 2 + + if (delay > 0): + delay -= 1 + + if (soundTimer > 0): + if (soundTimer == 1): + $AudioStreamPlayer.play() + + soundTimer -= 1 + +# Called when the node enters the scene tree for the first time. +func _ready(): + pass # Replace with function body. + + +# Called every frame. 'delta' is the elapsed time since the previous frame. +#func _process(delta): +# pass