From 3d9766231d5cd3a0900f96e781db71b7abdfd96f Mon Sep 17 00:00:00 2001 From: monoid Date: Thu, 2 Sep 2021 18:16:43 +0900 Subject: [PATCH] Vertex Array --- index.ts | 26 ++++++++++++++++++- package.json | 3 ++- tsconfig.json | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 99 insertions(+), 2 deletions(-) create mode 100644 tsconfig.json diff --git a/index.ts b/index.ts index 0a2b09f..c1d94fe 100644 --- a/index.ts +++ b/index.ts @@ -1 +1,25 @@ -console.log("hello, canvas!"); \ No newline at end of file +/// + +function main(){ + const canvas = document.querySelector("canvas"); + if(canvas === null){ + console.error("couldn't find canvas"); + return; + } + let gl = canvas.getContext("webgl2"); + if(gl === null){ + console.error("webgl2 is not supported!"); + return; + } + const position = [ + -0.5,-0.5, + 0.0,0.5, + 0.5,-0.5 + ]; + let positionBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER,positionBuffer); + const floatPosition = new Float32Array(position); + gl.bufferData(gl.ARRAY_BUFFER,floatPosition,gl.STATIC_DRAW); + gl.drawArrays(gl.TRIANGLES,0,3); +} +main(); \ No newline at end of file diff --git a/package.json b/package.json index 07b5411..e16e63b 100644 --- a/package.json +++ b/package.json @@ -13,6 +13,7 @@ "parcel-bundler": "^1.12.5" }, "devDependencies": { - "typescript": "^4.4.2" + "typescript": "^4.4.2", + "webgl-strict-types": "^1.0.4" } } diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 0000000..2fc8629 --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,72 @@ +{ + "compilerOptions": { + /* Visit https://aka.ms/tsconfig.json to read more about this file */ + + /* Basic Options */ + // "incremental": true, /* Enable incremental compilation */ + "target": "ESNext", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */ + "module": "ESNext", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */ + // "lib": [], /* Specify library files to be included in the compilation. */ + // "allowJs": true, /* Allow javascript files to be compiled. */ + // "checkJs": true, /* Report errors in .js files. */ + // "jsx": "preserve", /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */ + // "declaration": true, /* Generates corresponding '.d.ts' file. */ + // "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */ + // "sourceMap": true, /* Generates corresponding '.map' file. */ + // "outFile": "./", /* Concatenate and emit output to single file. */ + // "outDir": "./", /* Redirect output structure to the directory. */ + // "rootDir": "./", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */ + // "composite": true, /* Enable project compilation */ + // "tsBuildInfoFile": "./", /* Specify file to store incremental compilation information */ + // "removeComments": true, /* Do not emit comments to output. */ + // "noEmit": true, /* Do not emit outputs. */ + // "importHelpers": true, /* Import emit helpers from 'tslib'. */ + // "downlevelIteration": true, /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */ + // "isolatedModules": true, /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */ + + /* Strict Type-Checking Options */ + "strict": true, /* Enable all strict type-checking options. */ + // "noImplicitAny": true, /* Raise error on expressions and declarations with an implied 'any' type. */ + // "strictNullChecks": true, /* Enable strict null checks. */ + // "strictFunctionTypes": true, /* Enable strict checking of function types. */ + // "strictBindCallApply": true, /* Enable strict 'bind', 'call', and 'apply' methods on functions. */ + // "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */ + // "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */ + // "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */ + + /* Additional Checks */ + // "noUnusedLocals": true, /* Report errors on unused locals. */ + // "noUnusedParameters": true, /* Report errors on unused parameters. */ + // "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */ + // "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */ + + /* Module Resolution Options */ + // "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */ + // "baseUrl": "./", /* Base directory to resolve non-absolute module names. */ + // "paths": {}, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */ + // "rootDirs": [], /* List of root folders whose combined content represents the structure of the project at runtime. */ + // "typeRoots": [], /* List of folders to include type definitions from. */ + // "types": [], /* Type declaration files to be included in compilation. */ + // "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */ + "esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */ + // "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */ + // "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */ + + /* Source Map Options */ + // "sourceRoot": "", /* Specify the location where debugger should locate TypeScript files instead of source locations. */ + // "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */ + // "inlineSourceMap": true, /* Emit a single file with source maps instead of having a separate file. */ + // "inlineSources": true, /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */ + + /* Experimental Options */ + // "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */ + // "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */ + + /* Advanced Options */ + "skipLibCheck": true, /* Skip type checking of declaration files. */ + "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */ + }, + "include": [ + "node_modules/webgl-strict-types/index.d.ts" + ] +}