working on melee laser gun

js/bullets.js

@@ -1454,5 +1454,140 @@ const b = {
         b.drawOneBullet(bullet[me].vertices);
       }
     },
+    {
+      name: "short range laser", //15
+      description: "fire a  <span style='color:#f00;'>beam</span> of coherent light<br>reflects off walls at 75% intensity<br>uses  <span class='color-f'>energy</span> instead of ammunition",
+      ammo: 0,
+      ammoPack: Infinity,
+      have: false,
+      isStarterGun: true,
+      fire() {
+        //laser drains energy as well as bullets
+        const FIELD_DRAIN = 0.001
+        const damage = 0.3
+        if (mech.fieldMeter < FIELD_DRAIN) {
+          mech.fireCDcycle = mech.cycle + 100; // cool down if out of energy
+        } else {
+          mech.fieldMeter -= mech.fieldRegen + FIELD_DRAIN
+          let best;
+          const color = "#f06";
+          const range = 150 + 200 * Math.random() //+ 100 * Math.sin(mech.cycle * 0.3);
+          const dir = mech.angle // + 0.04 * (Math.random() - 0.5)
+          const path = [{
+              x: mech.pos.x + 20 * Math.cos(dir),
+              y: mech.pos.y + 20 * Math.sin(dir)
+            },
+            {
+              x: mech.pos.x + range * Math.cos(dir),
+              y: mech.pos.y + range * Math.sin(dir)
+            }
+          ];
+          const vertexCollision = function (v1, v1End, domain) {
+            for (let i = 0; i < domain.length; ++i) {
+              let vertices = domain[i].vertices;
+              const len = vertices.length - 1;
+              for (let j = 0; j < len; j++) {
+                results = game.checkLineIntersection(v1, v1End, vertices[j], vertices[j + 1]);
+                if (results.onLine1 && results.onLine2) {
+                  const dx = v1.x - results.x;
+                  const dy = v1.y - results.y;
+                  const dist2 = dx * dx + dy * dy;
+                  if (dist2 < best.dist2 && (!domain[i].mob || domain[i].alive)) {
+                    best = {
+                      x: results.x,
+                      y: results.y,
+                      dist2: dist2,
+                      who: domain[i],
+                      v1: vertices[j],
+                      v2: vertices[j + 1]
+                    };
+                  }
+                }
+              }
+              results = game.checkLineIntersection(v1, v1End, vertices[0], vertices[len]);
+              if (results.onLine1 && results.onLine2) {
+                const dx = v1.x - results.x;
+                const dy = v1.y - results.y;
+                const dist2 = dx * dx + dy * dy;
+                if (dist2 < best.dist2 && (!domain[i].mob || domain[i].alive)) {
+                  best = {
+                    x: results.x,
+                    y: results.y,
+                    dist2: dist2,
+                    who: domain[i],
+                    v1: vertices[0],
+                    v2: vertices[len]
+                  };
+                }
+              }
+            }
+          };
+          const checkforCollisions = function () {
+            best = {
+              x: null,
+              y: null,
+              dist2: Infinity,
+              who: null,
+              v1: null,
+              v2: null
+            };
+            vertexCollision(path[path.length - 2], path[path.length - 1], mob);
+            vertexCollision(path[path.length - 2], path[path.length - 1], map);
+            vertexCollision(path[path.length - 2], path[path.length - 1], body);
+          };
+          const laserHitMob = function (dmg) {
+            if (best.who.alive) {
+              dmg *= b.dmgScale * damage;
+              best.who.damage(dmg);
+              best.who.locatePlayer();
+              //draw mob damage circle
+              ctx.fillStyle = color;
+              ctx.beginPath();
+              ctx.arc(path[path.length - 1].x, path[path.length - 1].y, Math.sqrt(dmg) * 100, 0, 2 * Math.PI);
+              ctx.fill();
+            }
+          };
+          checkforCollisions();
+          if (best.dist2 != Infinity) {
+            //if hitting something
+            path[path.length - 1] = {
+              x: best.x,
+              y: best.y
+            };
+            laserHitMob(1);
+          }
+          ctx.strokeStyle = color;
+          ctx.lineWidth = 1
+          ctx.beginPath();
+          ctx.moveTo(path[0].x, path[0].y);
+          ctx.lineTo(path[1].x, path[1].y);
+          ctx.stroke();
+          ctx.strokeStyle = "rgba(255,0,60,0.1)"
+          ctx.lineWidth = 10
+          ctx.beginPath();
+          ctx.moveTo(path[0].x, path[0].y);
+          ctx.lineTo(path[1].x, path[1].y);
+          ctx.stroke();
+        }
+      }
+    },
+    // {
+    //   name: "melee", //15
+    //   description: "rapidly fire a stream of short range <strong>bullets</strong>",
+    //   ammo: 0,
+    //   ammoPack: 205,
+    //   have: false,
+    //   isStarterGun: true,
+    //   fire() {
+    //     const me = bullet.length;
+    //     const dir = mech.angle + (Math.random() - 0.5) * ((mech.crouch) ? 0.1 : 0.7);
+    //     bullet[me] = Bodies.rectangle(mech.pos.x + 30 * Math.cos(mech.angle), mech.pos.y + 30 * Math.sin(mech.angle), 12 * b.modBulletSize, 12 * b.modBulletSize, b.fireAttributes(dir));
+    //     b.fireProps(mech.crouch ? 6 : 2, mech.crouch ? 30 : 20, dir, me); //cd , speed
+    //     bullet[me].endCycle = game.cycle + Math.floor(18 * b.modBulletsLastLonger);
+    //     bullet[me].do = function () {
+
+    //     };
+    //   }
+    // },
   ]
 };

js/level.js

@@ -13,7 +13,7 @@ const level = {
   start() {
     if (level.onLevel === 0) {
       // game.difficulty = 6; //for testing to simulate possible mobs spawns
-      // b.giveGuns(6)
+      b.giveGuns(15)
       // mech.fieldUpgrades[6].effect();
       // b.giveMod(13)
       // spawn.pickList = ["ghoster", "ghoster"]