Dash emits rotating particles

player.c

@@ -88,8 +88,8 @@ void player_Advance(System_Player *sys, Duration deltaTime) {
 				sys->super->particle,
 				vec2_Add(vec2_Random(-5, 5, -30, 30), to_pos),
 				vec2(rand_DoubleRange(650, 700) * -p->faceDirection, rand_DoubleRange(-100, 100)),
-				7, rand_DoubleRange(10, 16), 3,
-				duration_FromSeconds(rand_DoubleRange(1.5, 2.0)), &render_ModeInverse);
+				7, rand_DoubleRange(10, 16), 4,
+				duration_FromSeconds(rand_DoubleRange(4.0, 5.0)), &render_ModeRotate);
 		}
 	}
 

render_util.cpp

@@ -69,6 +69,13 @@ const FillMode render_ModeInverse = {
 	.rotate   = {.microseconds = 0},
 	.dissolve = {.microseconds = 0},
 	.fadein   = false};
+extern const FillMode render_ModeRotate = {
+	.rop2     = R2_COPYPEN,
+	.style    = BS_SOLID,
+	.hatch    = 0,
+	.rotate   = {.microseconds = 100000},
+	.dissolve = {.microseconds = 0},
+	.fadein   = false};
 
 
 void render_SetModes(FillMode mode, TimePoint since) {

render_util.h

@@ -50,12 +50,13 @@ typedef struct {
 //     style = BS_SOLID,
 //     others = 0
 extern const FillMode render_ModeDefault;
-
 // Fill mode that inverses the screen.
 //     rop2 = R2_NOT,
 //     style = BS_SOLID,
 //     others = 0
 extern const FillMode render_ModeInverse;
+// Fill mode that rotates.
+extern const FillMode render_ModeRotate;
 
 typedef struct _App App;