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fix belt animation seeming to go 'backwards' on high belt speeds

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This commit is contained in:
tobspr 2020-06-27 09:59:48 +02:00
parent c844dd4798
commit d8bf4f9cd8
3 changed files with 13 additions and 13 deletions
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2
src/js/changelog.js
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@ -7,7 +7,7 @@ export const CHANGELOG = [
"Preparations for the wires update",
"Allow clicking on variants to select them",
"Add 'copy key' button to shape viewer",
"Add more FPS to the belt animation",
"Add more FPS to the belt animation and fix belt animation seeming to go 'backwards' on high belt speeds",
"Fix deconstruct sound being played when right clicking hub",
"Allow clicking 'Q' over a shape or color patch to automatically select the miner building (by Gerdon262)",
"Update belt placement performance on huge factories (by Phlosioneer)",

13
src/js/game/systems/belt.js
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@ -1,18 +1,18 @@
import { Math_sqrt } from "../../core/builtins";
import { Math_min } from "../../core/builtins";
import { globalConfig } from "../../core/config";
import { DrawParameters } from "../../core/draw_parameters";
import { gMetaBuildingRegistry } from "../../core/global_registries";
import { Loader } from "../../core/loader";
import { createLogger } from "../../core/logging";
import { AtlasSprite } from "../../core/sprites";
import { fastArrayDeleteValue } from "../../core/utils";
import { enumDirection, enumDirectionToVector, enumInvertedDirections, Vector } from "../../core/vector";
import { BeltPath } from "../belt_path";
import { arrayBeltVariantToRotation, MetaBeltBaseBuilding } from "../buildings/belt_base";
import { BeltComponent } from "../components/belt";
import { Entity } from "../entity";
import { GameSystemWithFilter } from "../game_system_with_filter";
import { MapChunkView } from "../map_chunk_view";
import { fastArrayDeleteValue } from "../../core/utils";
import { gMetaBuildingRegistry } from "../../core/global_registries";
import { MetaBeltBaseBuilding, arrayBeltVariantToRotation } from "../buildings/belt_base";
import { defaultBuildingVariant } from "../meta_building";
export const BELT_ANIM_COUNT = 28;
@ -469,12 +469,13 @@ export class BeltSystem extends GameSystemWithFilter {
return;
}
const speedMultiplier = this.root.hubGoals.getBeltBaseSpeed();
// Limit speed to avoid belts going backwards
const speedMultiplier = Math_min(this.root.hubGoals.getBeltBaseSpeed(), 10);
// SYNC with systems/item_acceptor.js:drawEntityUnderlays!
// 126 / 42 is the exact animation speed of the png animation
const animationIndex = Math.floor(
((this.root.time.now() * speedMultiplier * BELT_ANIM_COUNT * 126) / 42) *
((this.root.time.realtimeNow() * speedMultiplier * BELT_ANIM_COUNT * 126) / 42) *
globalConfig.itemSpacingOnBelts
);
const contents = chunk.contents;

11
src/js/game/systems/item_acceptor.js
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@ -6,7 +6,7 @@ import { enumDirectionToVector, enumDirectionToAngle } from "../../core/vector";
import { ItemAcceptorComponent } from "../components/item_acceptor";
import { Loader } from "../../core/loader";
import { drawRotatedSprite } from "../../core/draw_utils";
import { Math_radians } from "../../core/builtins";
import { Math_radians, Math_min } from "../../core/builtins";
import { BELT_ANIM_COUNT } from "./belt";
export class ItemAcceptorSystem extends GameSystemWithFilter {
@ -94,6 +94,9 @@ export class ItemAcceptorSystem extends GameSystemWithFilter {
return;
}
// Limit speed to avoid belts going backwards
const speedMultiplier = Math_min(this.root.hubGoals.getBeltBaseSpeed(), 10);
const underlays = acceptorComp.beltUnderlays;
for (let i = 0; i < underlays.length; ++i) {
const { pos, direction } = underlays[i];
@ -103,11 +106,7 @@ export class ItemAcceptorSystem extends GameSystemWithFilter {
// SYNC with systems/belt.js:drawSingleEntity!
const animationIndex = Math.floor(
((this.root.time.now() *
this.root.hubGoals.getBeltBaseSpeed() *
this.underlayBeltSprites.length *
126) /
42) *
((this.root.time.realtimeNow() * speedMultiplier * BELT_ANIM_COUNT * 126) / 42) *
globalConfig.itemSpacingOnBelts
);