public void BeginRender(float width, float height)
{
_canvas = (HtmlCanvasElement) document.createElement("canvas");
_canvas.width = (int) width;
_canvas.height = (int) height;
_canvas.style.width = width + "px";
_canvas.style.height = height + "px";
_context = (CanvasRenderingContext2D)_canvas.getContext("2d");
_context.textBaseline = "top";
}
private static void CreateCanvasElement()
{
var canvas = new HtmlCanvasElement { id = "canvas2D" };
canvas.style.width = new JsString("100%");
canvas.style.height = new JsString("100%");
HtmlContext.document.body.appendChild(canvas);
_canvasRenderingContext2D = canvas.As<HtmlCanvasElement>().getContext("2d").As<CanvasRenderingContext2D>();
}
/// <summary>
/// Draws the display object into the specified context ignoring it's visible, alpha, shadow, and transform.
/// Returns true if the draw was handled (useful for overriding functionality).
/// NOTE: This method is mainly for internal use, though it may be useful for advanced uses.
/// </summary>
/// <param name="ctx">The canvas 2D context object to draw into.</param>
/// <param name="ignoreCache">Indicates whether the draw operation should ignore any current cache.
/// For example, used for drawing the cache (to prevent it from simply drawing an existing cache back into itself).</param>
public void draw(CanvasRenderingContext2D ctx, bool ignoreCache) { }
/// <summary>
/// Draws the display object into the specified context ignoring it's visible, alpha, shadow, and transform.
/// Returns true if the draw was handled (useful for overriding functionality).
/// NOTE: This method is mainly for internal use, though it may be useful for advanced uses.
/// </summary>
/// <param name="ctx">The canvas 2D context object to draw into.</param>
/// <param name="ignoreCache">Indicates whether the draw operation should ignore any current cache.
/// For example, used for drawing the cache (to prevent it from simply drawing an existing cache back into itself).</param>
public bool draw(CanvasRenderingContext2D ctx, bool ignoreCache) { return false; }
/// <summary>
/// Draws only the path described for this Graphics instance, skipping any non-path instructions, including fill and stroke descriptions.
/// Used by DisplayObject.clippingPath to draw the clipping path, for example.
/// </summary>
/// <param name="ctx">The canvas 2D context object to draw into.</param>
public void drawAsPath(CanvasRenderingContext2D ctx) { }
/// <summary>
/// Applies this display object's transformation, alpha, globalCompositeOperation, clipping path (mask), and shadow to the specified context.
/// This is typically called prior to draw.
/// </summary>
/// <param name="ctx">The canvas 2D to update.</param>
public void setupContext(CanvasRenderingContext2D ctx) { }
public void render(Scene scene, CanvasRenderingContext2D ctx, double screenWidth, double screenHeight)
{
this.screenWidth = screenWidth;
this.screenHeight = screenHeight;
for (var y = 0; y < screenHeight; y++)
{
for (var x = 0; x < screenWidth; x++)
{
var color = this.traceRay( new Ray(scene.camera.pos, getPoint(x, y, scene.camera)), scene, 0);
var c = Color.toDrawingColor(color);
ctx.fillStyle = "rgb(" + c.r + ", " + c.g + ", " + c.b + ")";
ctx.fillRect(x, y, x + 1, y + 1);
}
}
}
