redden

    public void flashColor(float a, float r, float g, float b) {
        int i = 0, k = 0;
        ScaledResolution kh1 = new ScaledResolution(mc.displayWidth, mc.displayHeight);
        int l = kh1.getScaledWidth();
        int i1 = kh1.getScaledHeight();
        Tessellator kv1 = Tessellator.instance;
        GL11.glEnable(3042 /*GL_BLEND*/);
        GL11.glDisable(3553 /*GL_TEXTURE_2D*/);
        GL11.glBlendFunc(770, 771);
        GL11.glColor4f(r, g, b, a);
        kv1.startDrawingQuads();
        kv1.addVertex(i, i1, 0.0D);
        kv1.addVertex(l, i1, 0.0D);
        kv1.addVertex(l, k, 0.0D);
        kv1.addVertex(i, k, 0.0D);
        kv1.draw();
        GL11.glEnable(3553 /*GL_TEXTURE_2D*/);
        GL11.glDisable(3042 /*GL_BLEND*/);
    }

    publick OnTickInGame(Minecraft game) {
        flashColor(0.4f, 1f, 0f, 0f);
    }