var emptySVG = document.getElementById("empty-button-svg"); var fullSVG = document.getElementById("full-button-svg"); var drawMode = 'empty'; var isDrawingRect = false; let startRectX; let startRectY; let endRectX; let endRectY; function startRectDrawing(mouseEvent) { // Putting the vfx layer on top of everything VFXCanvas.style.zIndex = MAX_Z_INDEX; // Updating flag isDrawingRect = true; // Saving the start coords of the rect let cursorPos = getCursorPosition(mouseEvent); startRectX = Math.floor(cursorPos[0] / zoom) + 0.5; startRectY = Math.floor(cursorPos[1] / zoom) + 0.5; drawRectangle(startRectX, startRectY); } function updateRectDrawing(mouseEvent) { let pos = getCursorPosition(mouseEvent); // Drawing the rect drawRectangle(Math.round(pos[0] / zoom) + 0.5, Math.round(pos[1] / zoom) + 0.5); } function endRectDrawing(mouseEvent) { // Getting the end position let currentPos = getCursorPosition(mouseEvent); let vfxContext = VFXCanvas.getContext("2d"); endRectX = Math.round(currentPos[0] / zoom) + 0.5; endRectY = Math.round(currentPos[1] / zoom) + 0.5; // Inverting end and start (start must always be the top left corner) if (endRectX < startRectX) { let tmp = endRectX; endRectX = startRectX; startRectX = tmp; } // Same for the y if (endRectY < startRectY) { let tmp = endRectY; endRectY = startRectY; startRectY = tmp; } // Resetting this isDrawingRect = false; // Drawing the rect startRectY -= 0.5; endRectY -= 0.5; endRectX -= 0.5; startRectX -= 0.5; currentLayer.context.lineWidth = tool.rectangle.brushSize; currentLayer.context.fillStyle = currentGlobalColor; line(startRectX, startRectY, endRectX, startRectY, tool.rectangle.brushSize); line(endRectX, startRectY, endRectX, endRectY, tool.rectangle.brushSize); line(endRectX, endRectY, startRectX, endRectY, tool.rectangle.brushSize); line(startRectX, endRectY, startRectX, startRectY, tool.rectangle.brushSize); if (drawMode == 'fill') { currentLayer.context.fillRect(startRectX, startRectY, endRectX - startRectX, endRectY - startRectY); } // Clearing the vfx canvas vfxContext.clearRect(0, 0, VFXCanvas.width, VFXCanvas.height); } function drawRectangle(x, y) { // Getting the vfx context let vfxContext = VFXCanvas.getContext("2d"); // Clearing the vfx canvas vfxContext.clearRect(0, 0, VFXCanvas.width, VFXCanvas.height); // Drawing the rect vfxContext.lineWidth = tool.rectangle.brushSize; vfxContext.strokeStyle = currentGlobalColor; // Drawing the rect vfxContext.beginPath(); if ((tool.rectangle.brushSize % 2 ) == 0) { vfxContext.rect(startRectX - 0.5, startRectY - 0.5, x - startRectX, y - startRectY); } else { vfxContext.rect(startRectX, startRectY, x - startRectX, y - startRectY); } vfxContext.setLineDash([]); vfxContext.stroke(); } function setRectToolSvg() { if (drawMode == 'empty') { emptySVG.setAttribute('display', 'visible'); fullSVG.setAttribute('display', 'none'); } else { emptySVG.setAttribute('display', 'none'); fullSVG.setAttribute('display', 'visible'); } } function applyChanges() { VFXCanvas.style.zIndex = MIN_Z_INDEX; }