Finish CSG, permittivity visualisation.

1 files changed, 20 insertions, 3 deletions

diff --git a/src/physics.h b/src/physics.h
index 60db8bf..80f3fdf 100644
--- a/src/physics.h
+++ b/src/physics.h
@@ -38,8 +38,6 @@ typedef struct {
 
 	size_t z;
 	float Px, Py;
-
-	float lambda, time;
 } phy_source_xyplane;
 
 enum {
@@ -49,7 +47,22 @@ enum {
 	PHY_CMD_STEP,
 	PHY_CMD_ZERO,
 	PHY_CMD_DEBUG,
-	PHY_CMD_RESET
+	PHY_CMD_RESET,
+	PHY_CMD_CSG_PUSH,
+	PHY_CMD_CSG_CLEAR
+};
+
+typedef enum {
+	CSG_SPHERE
+} phy_csg_shape;
+
+typedef struct phy_csg_step_s phy_csg_step;
+struct phy_csg_step_s {
+	phy_csg_shape shape;
+	vec3_t x;
+	vec3_t d;
+	float value;
+	phy_csg_step *next;
 };
 
 typedef struct {
@@ -63,6 +76,9 @@ typedef struct {
 
 	phy_source_xyplane source_xyplane;
 
+	phy_csg_step *csg_stack;
+	float eps_min, eps_max;
+
 	// UI stuff
 	bool running;
 	itc_chan ctl;
@@ -79,6 +95,7 @@ int phy_sim_create_fields(phy_sim *sim);
 void phy_sim_destroy_fields(phy_sim *sim);
 void phy_sim_compute_const_fields(phy_sim *sim);
 void phy_sim_step(phy_sim *sim);
+void phy_sim_csg_clear(phy_sim *sim);
 
 int phy_thread(phy_sim *sim);