Fixed bug on ShapeBatch with corner wrapping to the first element. Also added lineWidthTo and moveWidthTo allowing easy creation of trails

This commit is contained in:
Felipe Alfonso 2017-03-14 19:13:31 -03:00
parent 16517ce898
commit 400b18b5ce
5 changed files with 141 additions and 143 deletions

View file

@ -10,5 +10,7 @@ module.exports = {
FILL_PATH: 8,
STROKE_PATH: 9,
FILL_TRIANGLE: 10,
STROKE_TRIANGLE: 11
STROKE_TRIANGLE: 11,
LINE_WIDTH_TO: 12,
MOVE_WIDTH_TO: 13
};

View file

@ -148,6 +148,22 @@ var Graphics = new Class({
);
},
lineWidthTo: function (x, y, width)
{
this.commandBuffer.push(
Commands.LINE_WIDTH_TO,
x, y, width
);
},
moveWidthTo: function (x, y, width)
{
this.commandBuffer.push(
Commands.MOVE_WIDTH_TO,
x, y, width
);
},
clear: function ()
{
this.commandBuffer.length = 0;

View file

@ -158,6 +158,22 @@ var GraphicsCanvasRenderer = function (renderer, src, interpolationPercentage, c
index += 2;
break;
case Commands.LINE_WIDTH_TO:
ctx.lineTo(
commandBuffer[index + 1],
commandBuffer[index + 2]
);
index += 3;
break;
case Commands.MOVE_WIDTH_TO:
ctx.moveTo(
commandBuffer[index + 1],
commandBuffer[index + 2]
);
index += 3;
break;
default:
console.error('Phaser: Invalid Graphics Command ID ' + commandID);
break;

View file

@ -6,17 +6,18 @@ var sin = Math.sin;
var sqrt = Math.sqrt;
var tempMatrix = new TransformMatrix();
var Point = function (x, y)
var Point = function (x, y, width)
{
this.x = x;
this.y = y;
this.width = width;
};
var Path = function (x, y)
var Path = function (x, y, width)
{
this.points = [];
this.pointsLength = 1;
this.points[0] = new Point(x, y);
this.points[0] = new Point(x, y, width);
};
var GraphicsWebGLRenderer = function (renderer, src, interpolationPercentage, camera)
@ -116,12 +117,12 @@ var GraphicsWebGLRenderer = function (renderer, src, interpolationPercentage, ca
if (iteration === 0)
{
lastPath = new Path(tx, ty);
lastPath = new Path(tx, ty, lineWidth);
pathArray.push(lastPath);
}
else
{
lastPath.points.push(new Point(tx, ty));
lastPath.points.push(new Point(tx, ty, lineWidth));
}
iteration += iterStep;
@ -150,8 +151,9 @@ var GraphicsWebGLRenderer = function (renderer, src, interpolationPercentage, ca
if (lastPath !== null && lastPath.points.length > 0)
{
var firstPoint = lastPath.points[0];
var lastPoint = lastPath.points[lastPath.points.length - 1];
lastPath.points.push(firstPoint);
lastPath = new Path(x, y);
lastPath = new Path(lastPoint.x, lastPoint.y, lineWidth);
pathArray.push(lastPath);
}
break;
@ -257,22 +259,41 @@ var GraphicsWebGLRenderer = function (renderer, src, interpolationPercentage, ca
case Commands.LINE_TO:
if (lastPath !== null)
{
lastPath.points.push(new Point(commandBuffer[cmdIndex + 1], commandBuffer[cmdIndex + 2]));
lastPath.points.push(new Point(commandBuffer[cmdIndex + 1], commandBuffer[cmdIndex + 2], lineWidth));
}
else
{
lastPath = new Path(commandBuffer[cmdIndex + 1], commandBuffer[cmdIndex + 2]);
lastPath = new Path(commandBuffer[cmdIndex + 1], commandBuffer[cmdIndex + 2], lineWidth);
pathArray.push(lastPath);
}
cmdIndex += 2;
break;
case Commands.MOVE_TO:
lastPath = new Path(commandBuffer[cmdIndex + 1], commandBuffer[cmdIndex + 2]);
lastPath = new Path(commandBuffer[cmdIndex + 1], commandBuffer[cmdIndex + 2], lineWidth);
pathArray.push(lastPath);
cmdIndex += 2;
break;
case Commands.LINE_WIDTH_TO:
if (lastPath !== null)
{
lastPath.points.push(new Point(commandBuffer[cmdIndex + 1], commandBuffer[cmdIndex + 2], commandBuffer[cmdIndex + 3]));
}
else
{
lastPath = new Path(commandBuffer[cmdIndex + 1], commandBuffer[cmdIndex + 2], commandBuffer[cmdIndex + 3]);
pathArray.push(lastPath);
}
cmdIndex += 3;
break;
case Commands.MOVE_WIDTH_TO:
lastPath = new Path(commandBuffer[cmdIndex + 1], commandBuffer[cmdIndex + 2], commandBuffer[cmdIndex + 3]);
pathArray.push(lastPath);
cmdIndex += 3;
break;
default:
console.error('Phaser: Invalid Graphics Command ID ' + cmd);
break;

View file

@ -28,10 +28,10 @@ var ShapeBatch = function (game, gl, manager)
this.vertexCount = 0;
this.viewMatrixLocation = null;
this.tempTriangle = [
{x: 0, y: 0},
{x: 0, y: 0},
{x: 0, y: 0},
{x: 0, y: 0}
{x: 0, y: 0, width: 0},
{x: 0, y: 0, width: 0},
{x: 0, y: 0, width: 0},
{x: 0, y: 0, width: 0}
];
// All of these settings will be able to be controlled via the Game Config
@ -162,7 +162,7 @@ ShapeBatch.prototype = {
/* Graphics Game Object properties */
srcX, srcY, srcScaleX, srcScaleY, srcRotation,
/* line properties */
ax, ay, bx, by, lineWidth, lineColor, lineAlpha,
ax, ay, bx, by, aLineWidth, bLineWidth, lineColor, lineAlpha,
/* transform */
a, b, c, d, e, f
) {
@ -179,16 +179,18 @@ ShapeBatch.prototype = {
var dx = bx - ax;
var dy = by - ay;
var len = Math.sqrt(dx * dx + dy * dy);
var l0 = lineWidth * (by - ay) / len;
var l1 = lineWidth * (ax - bx) / len;
var lx0 = bx - l0;
var ly0 = by - l1;
var lx1 = ax - l0;
var ly1 = ay - l1;
var lx2 = bx + l0;
var ly2 = by + l1;
var lx3 = ax + l0;
var ly3 = ay + l1;
var al0 = aLineWidth * (by - ay) / len;
var al1 = aLineWidth * (ax - bx) / len;
var bl0 = bLineWidth * (by - ay) / len;
var bl1 = bLineWidth * (ax - bx) / len;
var lx0 = bx - bl0;
var ly0 = by - bl1;
var lx1 = ax - al0;
var ly1 = ay - al1;
var lx2 = bx + bl0;
var ly2 = by + bl1;
var lx3 = ax + al0;
var ly3 = ay + al1;
var x0 = lx0 * a + ly0 * c + e;
var y0 = lx0 * b + ly0 * d + f;
var x1 = lx1 * a + ly1 * c + e;
@ -203,27 +205,22 @@ ShapeBatch.prototype = {
vertexBufferF32[vertexOffset++] = y0;
vertexBufferU32[vertexOffset++] = lineColor;
vertexBufferF32[vertexOffset++] = lineAlpha;
vertexBufferF32[vertexOffset++] = x1;
vertexBufferF32[vertexOffset++] = y1;
vertexBufferU32[vertexOffset++] = lineColor;
vertexBufferF32[vertexOffset++] = lineAlpha;
vertexBufferF32[vertexOffset++] = x2;
vertexBufferF32[vertexOffset++] = y2;
vertexBufferU32[vertexOffset++] = lineColor;
vertexBufferF32[vertexOffset++] = lineAlpha;
vertexBufferF32[vertexOffset++] = x1;
vertexBufferF32[vertexOffset++] = y1;
vertexBufferU32[vertexOffset++] = lineColor;
vertexBufferF32[vertexOffset++] = lineAlpha;
vertexBufferF32[vertexOffset++] = x3;
vertexBufferF32[vertexOffset++] = y3;
vertexBufferU32[vertexOffset++] = lineColor;
vertexBufferF32[vertexOffset++] = lineAlpha;
vertexBufferF32[vertexOffset++] = x2;
vertexBufferF32[vertexOffset++] = y2;
vertexBufferU32[vertexOffset++] = lineColor;
@ -258,82 +255,25 @@ ShapeBatch.prototype = {
var vertexBufferU32 = vertexDataBuffer.uintView;
var vertexOffset;
var x0, y0, x1, y1, x2, y2;
var line;
for (var pathIndex = 0; pathIndex + 1 < pathLength; pathIndex += 1)
{
point0 = path[pathIndex];
point1 = path[pathIndex + 1];
polylines.push(this.addLine(
line = this.addLine(
srcX, srcY, srcScaleX, srcScaleY, srcRotation,
point0.x, point0.y, point1.x, point1.y, halfLineWidth, lineColor, lineAlpha,
point0.x, point0.y,
point1.x, point1.y,
point0.width / 2, point1.width / 2,
lineColor, lineAlpha,
a, b, c, d, e, f
));
);
polylines.push(line);
}
if (lineWidth < 1.0)
return;
if (isLastPath)
{
for (var index = 0, polylinesLength = polylines.length;
index < polylinesLength; ++index)
{
if (this.vertexCount + 6 > this.maxVertices)
{
this.flush();
}
last = polylines[index - 1];
curr = polylines[index];
vertexOffset = vertexDataBuffer.allocate(24)
x0 = last[2 * 2 + 0];
y0 = last[2 * 2 + 1];
x1 = last[2 * 0 + 0];
y1 = last[2 * 0 + 1];
x2 = curr[2 * 3 + 0];
y2 = curr[2 * 3 + 1];
vertexBufferF32[vertexOffset++] = x0;
vertexBufferF32[vertexOffset++] = y0;
vertexBufferU32[vertexOffset++] = lineColor;
vertexBufferF32[vertexOffset++] = lineAlpha;
vertexBufferF32[vertexOffset++] = x1;
vertexBufferF32[vertexOffset++] = y1;
vertexBufferU32[vertexOffset++] = lineColor;
vertexBufferF32[vertexOffset++] = lineAlpha;
vertexBufferF32[vertexOffset++] = x2;
vertexBufferF32[vertexOffset++] = y2;
vertexBufferU32[vertexOffset++] = lineColor;
vertexBufferF32[vertexOffset++] = lineAlpha;
x0 = last[2 * 0 + 0];
y0 = last[2 * 0 + 1];
x1 = last[2 * 2 + 0];
y1 = last[2 * 2 + 1];
x2 = curr[2 * 1 + 0];
y2 = curr[2 * 1 + 1];
vertexBufferF32[vertexOffset++] = x0;
vertexBufferF32[vertexOffset++] = y0;
vertexBufferU32[vertexOffset++] = lineColor;
vertexBufferF32[vertexOffset++] = lineAlpha;
vertexBufferF32[vertexOffset++] = x1;
vertexBufferF32[vertexOffset++] = y1;
vertexBufferU32[vertexOffset++] = lineColor;
vertexBufferF32[vertexOffset++] = lineAlpha;
vertexBufferF32[vertexOffset++] = x2;
vertexBufferF32[vertexOffset++] = y2;
vertexBufferU32[vertexOffset++] = lineColor;
vertexBufferF32[vertexOffset++] = lineAlpha;
this.vertexCount += 6;
}
}
else
{
for (var index = 0, polylinesLength = polylines.length;
/* Render joints */
for (var index = 1, polylinesLength = polylines.length;
index < polylinesLength; ++index)
{
@ -388,7 +328,6 @@ ShapeBatch.prototype = {
this.vertexCount += 6;
}
}
polylines.length = 0;
},
@ -584,12 +523,16 @@ ShapeBatch.prototype = {
tempTriangle[0].x = x0;
tempTriangle[0].y = y0;
tempTriangle[0].width = lineWidth;
tempTriangle[1].x = x1;
tempTriangle[1].y = y1;
tempTriangle[1].width = lineWidth;
tempTriangle[2].x = x2;
tempTriangle[2].y = y2;
tempTriangle[2].width = lineWidth;
tempTriangle[3].x = x0;
tempTriangle[3].y = y0;
tempTriangle[3].width = lineWidth;
this.addStrokePath(
srcX, srcY, srcScaleX, srcScaleY, srcRotation,