From d1b528b01796601c2bfea7b1a9813e5907e1c728 Mon Sep 17 00:00:00 2001
From: Matthew Kosarek <matthew.kosarek@vention.cc>
Date: Sat, 27 Feb 2021 17:32:32 -0500
Subject: Close to being done on line-circle collisions, but it appears we're
 running into a rotation problem. Going to work on square-line collisions in
 the meantime

---
 frontend/2d/_collisions/collisions_1.js | 125 --------------------------------
 1 file changed, 125 deletions(-)
 delete mode 100644 frontend/2d/_collisions/collisions_1.js

(limited to 'frontend/2d/_collisions/collisions_1.js')

diff --git a/frontend/2d/_collisions/collisions_1.js b/frontend/2d/_collisions/collisions_1.js
deleted file mode 100644
index ac325c2..0000000
--- a/frontend/2d/_collisions/collisions_1.js
+++ /dev/null
@@ -1,125 +0,0 @@
-/// <reference path="../../scripts/jquery-3.5.1.min.js"/>
-/// <reference path="../../_shared/math/vec2.js" />
-/// <reference path="../../_shared/math/mat4.js" />
-/// <reference path="../../_shared/2d/shader.js" />
-/// <reference path="../../_shared/math/circle.js" />
-/// <reference path="../../_shared/math/line2.js" />
-/// <reference path="../../_shared/math/collision.js" />
-/// <reference path="../../_shared/2d/program_common.js" />
-
-(function() {
-
-    function main() {
-        // Define Constants
-        const CIRCLE_RADIUS = 16;
-        const GRAVITY = 9.8;
-        const COF_OF_RESTITUITION = 0.7;
-    
-        // Retrieve context
-        const lProgramContext = getContext('#collision_1');
-    
-        if (lProgramContext.gl === null) {
-            console.error('Unable to initialize WebGL. Your browser or machine may not support it.');
-            return;
-        }
-    
-        lProgramContext.gl.clearColor(0.0, 0.0, 0.0, 1.0);
-        lProgramContext.gl.clear(lProgramContext.gl.COLOR_BUFFER_BIT);
-    
-        function run() {
-            console.log('Running Circle-Line Collisions');
-            lProgramContext.load().then(function(pProgramInfo) {
-                const mCircle = circle(lProgramContext.gl, CIRCLE_RADIUS, 30, [
-                        { x: 1, y: 0, z: 0, w: 1 },
-                        { x: 0, y: 1, z: 0, w: 1 },
-                        { x: 0, y: 0, z: 1, w: 1 }
-                    ], vec2(lProgramContext.width / 2.0, lProgramContext.height / 2.0 + 100));
-
-                const mline = line2({ x: 100, y: 100 }, { x: lProgramContext.width - 100, y: 200 }, lProgramContext.gl,
-                    { x: 1, y: 0, z: 0, w: 1 }, 2.0);
-    
-                /**
-                 * Run the update method of a single circle
-                 * 
-                 * @param {circle} pCircle 
-                 * @param {number} pDeltaTimeSeconds 
-                 */
-                function updateCircle(pCircle, pDeltaTimeSeconds) {
-                    // Same physics updates from part 1
-                    applyForce(pCircle, vec2(0, -1.0 * (pCircle.mass * GRAVITY)));
-                    const lCurrentAcceleration = scaleVec2(pCircle.force, 1.0 / pCircle.mass);
-                    pCircle.prevVelocity = pCircle.velocity;
-                    pCircle.velocity = addVec2(pCircle.velocity, scaleVec2(lCurrentAcceleration, pDeltaTimeSeconds));
-                    pCircle.prevPos = { ...pCircle.position };
-                    pCircle.position = addVec2(pCircle.position, scaleVec2(pCircle.velocity, pDeltaTimeSeconds));
-                    pCircle.force = vec2();
-    
-                    // Same physics updates from part 2
-                    const lMomentOfInertia = getMomentOfInertia(pCircle);
-                    const lAngularAcceleration = pCircle.torque / lMomentOfInertia;
-                    pCircle.rotationVelocity += lAngularAcceleration * pDeltaTimeSeconds;
-                    pCircle.rotationRadians += pCircle.rotationVelocity * pDeltaTimeSeconds;
-                    pCircle.torque = 0;
-    
-                    pCircle.model = rotateMatrix2d(translateMatrix(mat4(), pCircle.position.x, pCircle.position.y, 0), pCircle.rotationRadians);
-                }
-    
-                function update(pDeltaTimeSeconds) {
-                    pDeltaTimeSeconds = pDeltaTimeSeconds;
-                    updateCircle(mCircle, pDeltaTimeSeconds);
-                    collision(pDeltaTimeSeconds);
-                    render();
-                }
-    
-                function collision(pDeltaTimeSeconds) {
-                    lineCircleCollision2(mCircle, mline);
-                    return false;
-                }
-    
-                function render() {
-                    lProgramContext.gl.clearColor(0.0, 0.0, 0.0, 1.0);
-                    lProgramContext.gl.clearDepth(1.0);
-                    lProgramContext.gl.enable(lProgramContext.gl.DEPTH_TEST);
-                    lProgramContext.gl.depthFunc(lProgramContext.gl.LEQUAL);
-                    lProgramContext.gl.clear(lProgramContext.gl.COLOR_BUFFER_BIT | lProgramContext.gl.DEPTH_BUFFER_BIT);
-                    lProgramContext.gl.useProgram(pProgramInfo.program);
-                    lProgramContext.gl.uniformMatrix4fv(pProgramInfo.uniformLocations.projection, false, lProgramContext.perspective);
-    
-                    renderCircle(lProgramContext.gl, pProgramInfo, mCircle);
-                    renderLine2(lProgramContext.gl, pProgramInfo, mline);
-                }
-    
-                const TORQUE_MULTIPLIER = 100.0; // TODO: This may be unncessary
-                function applyForce(pCircle, pForceVector, pPointOfApplication) {
-                    if (pPointOfApplication !== undefined) {
-                        const lOriginToPointOfApp = subVec2(vec2(), pPointOfApplication),
-                            lPerpVec = vec2(-lOriginToPointOfApp.y, lOriginToPointOfApp.x);
-        
-                            pCircle.torque += TORQUE_MULTIPLIER * dot2(lPerpVec, pForceVector);
-                    }
-    
-                    pCircle.force = addVec2(pCircle.force, pForceVector);
-                }
-    
-                function cleanup() {
-                    lProgramContext.gl.deleteBuffer(mCircle.buffer);
-                    lProgramContext.gl.deleteProgram(pProgramInfo.program);
-                    lProgramContext.gl.clearColor(0.0, 0.0, 0.0, 1.0);
-                    lProgramContext.gl.clear(lProgramContext.gl.COLOR_BUFFER_BIT);
-                }
-    
-                function reset() {
-                    lExitRequestFunc();
-                    lProgramContext.reset();
-                }
-    
-                const lExitRequestFunc = requestUpdateLoop(update, cleanup);
-                lProgramContext.stopButton.on('click', reset);
-            });
-        }
-        
-        lProgramContext.playButton.on('click', run);
-    }
-    
-    $(document).ready(main);
-})()
\ No newline at end of file
-- 
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