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refactor: Remove the grid size and have a boolean instead

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This commit is contained in:
Panayiotis Lipiridis
2020-12-23 17:13:03 +02:00
parent 39e7b8cf4f
commit c12dab7a60
10 changed files with 111 additions and 113 deletions
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29
src/renderer/renderScene.ts
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@@ -48,6 +48,7 @@ import {
TransformHandleType,
} from "../element/transformHandles";
import { viewportCoordsToSceneCoords } from "../utils";
import { GRID_SIZE } from "../constants";
const strokeRectWithRotation = (
context: CanvasRenderingContext2D,
@@ -118,7 +119,6 @@ const fillCircle = (
const strokeGrid = (
context: CanvasRenderingContext2D,
gridSize: number,
offsetX: number,
offsetY: number,
width: number,
@@ -127,13 +127,13 @@ const strokeGrid = (
const origStrokeStyle = context.strokeStyle;
context.strokeStyle = "rgba(0,0,0,0.1)";
context.beginPath();
for (let x = offsetX; x < offsetX + width + gridSize * 2; x += gridSize) {
context.moveTo(x, offsetY - gridSize);
context.lineTo(x, offsetY + height + gridSize * 2);
for (let x = offsetX; x < offsetX + width + GRID_SIZE * 2; x += GRID_SIZE) {
context.moveTo(x, offsetY - GRID_SIZE);
context.lineTo(x, offsetY + height + GRID_SIZE * 2);
}
for (let y = offsetY; y < offsetY + height + gridSize * 2; y += gridSize) {
context.moveTo(offsetX - gridSize, y);
context.lineTo(offsetX + width + gridSize * 2, y);
for (let y = offsetY; y < offsetY + height + GRID_SIZE * 2; y += GRID_SIZE) {
context.moveTo(offsetX - GRID_SIZE, y);
context.lineTo(offsetX + width + GRID_SIZE * 2, y);
}
context.stroke();
context.strokeStyle = origStrokeStyle;
@@ -233,16 +233,15 @@ export const renderScene = (
context.scale(sceneState.zoom.value, sceneState.zoom.value);
// Grid
if (renderGrid && appState.gridSize) {
if (renderGrid && appState.showGrid) {
strokeGrid(
context,
appState.gridSize,
-Math.ceil(zoomTranslationX / sceneState.zoom.value / appState.gridSize) *
appState.gridSize +
(sceneState.scrollX % appState.gridSize),
-Math.ceil(zoomTranslationY / sceneState.zoom.value / appState.gridSize) *
appState.gridSize +
(sceneState.scrollY % appState.gridSize),
-Math.ceil(zoomTranslationX / sceneState.zoom.value / GRID_SIZE) *
GRID_SIZE +
(sceneState.scrollX % GRID_SIZE),
-Math.ceil(zoomTranslationY / sceneState.zoom.value / GRID_SIZE) *
GRID_SIZE +
(sceneState.scrollY % GRID_SIZE),
normalizedCanvasWidth / sceneState.zoom.value,
normalizedCanvasHeight / sceneState.zoom.value,
);