fun: blood

common/combat/vulnerable.trait.js

@@ -13,7 +13,7 @@ import {DamagePacket} from './damage.packet';
 export class Vulnerable extends Trait {
 
   static defaultParams() {
-    const emitDamage = buildInvoke(['entity', 'emitDamageParticle'], [
+    const emitDamage = buildInvoke(['entity', 'emitDamageParticles'], [
       buildTraversal(['damage']),
     ]);
     const playDamagingSound = buildInvoke(['damage', 'from', 'playSound'], [
@@ -163,7 +163,57 @@ export class Vulnerable extends Trait {
               },
             },
           },
-        }
+          blood: {
+            traits: {
+              emitted: {
+                params: {
+                  alpha: {
+                    start: 1,
+                    end: 0.4,
+                  },
+                  force: [0, 4],
+                  velocity: {
+                    min: [-0.5, -1.25],
+                    max: [0.5, -0.75],
+                  },
+                  scale: {
+                    start: 1,
+                    end: 1.25,
+                  },
+                  transient: false,
+                  ttl: 0.5,
+                },
+              },
+              existent: {},
+              layered: {},
+              listed: {},
+              perishable: {
+                params: {
+                  ttl: 10,
+                },
+              },
+              positioned: {},
+              primitive: {
+                params: {
+                  primitives: [
+                    {
+                      type: 'circle',
+                      radius: 0.5,
+                      line: {
+                        rgba: [255, 0, 0],
+                      },
+                      fill: {
+                        rgba: [255, 0, 0],
+                      },
+                    },
+                  ],
+                },
+              },
+              roomed: {},
+              visible: {},
+            },
+          },
+        };
 
       },
 
@@ -190,7 +240,7 @@ export class Vulnerable extends Trait {
   methods() {
     return {
 
-      emitDamageParticle: (damage) => {
+      emitDamageParticles: (damage) => {
         const {amount, isDamage} = damage;
         const fill = isDamage ? '#FF0000' : '#00FF77';
         this.entity.emitParticle('damage', {
@@ -208,6 +258,10 @@ export class Vulnerable extends Trait {
             },
           },
         });
+        this.entity.emitParticle('blood', {
+          rate: 0.0125,
+          count: 10,
+        });
       },
 
       takeDamageFrom: (entity) => {