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Color fixes. Draw.Circle. JSON.Enum. OnCollide leak fix

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Matt Thorson
2020-05-31 17:26:50 -07:00
parent 53ab0a7910
commit afabb58543
6 changed files with 50 additions and 3 deletions
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8
src/Static/Calc.bf
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@ -5,6 +5,14 @@ namespace Strawberry
{
static public class Calc
{
public const float Circle = Math.PI_f * 2;
public const float Right = 0;
public const float Left = Math.PI_f;
public const float Up = Math.PI_f * -0.5f;
public const float Down = Math.PI_f * 0.5f;
public const float DegToRad = Math.PI_f / 180f;
public const float RadToDeg = 180f / Math.PI_f;
[Inline]
static public bool BitCheck(int bits, int pos)
{

22
src/Static/Draw.bf
View File

@ -1,4 +1,5 @@
using SDL2;
using System;
namespace Strawberry
{
@ -37,6 +38,27 @@ namespace Strawberry
SDL.RenderDrawLine(Game.Renderer, (int32)fromn.X, (int32)fromn.Y, (int32)ton.X, (int32)ton.Y);
}
static public void Circle(Point at, float radius, Color color, int steps = 16)
{
let add = at - Camera;
SDL.Point[] points = scope SDL.Point[steps + 1];
points[0] = SDL.Point((int32)(radius + add.X), (int32)add.Y);
points[steps] = points[0];
float slice = Calc.Circle / steps;
for (int i = 1; i < steps; i++)
{
points[i] = SDL.Point(
(int32)(Math.Round(Math.Cos(slice * i) * radius) + add.X),
(int32)(Math.Round(Math.Sin(slice * i) * radius) + add.Y)
);
}
SDL.SetRenderDrawColor(Game.Renderer, color.R, color.G, color.B, color.A);
SDL.RenderDrawLines(Game.Renderer, &points[0], (int32)steps + 1);
}
static public void Sprite(Sprite sprite, int frame, Point position)
{
SDL.Rect src = Strawberry.Rect(0, 0, sprite.Width, sprite.Height);