X-Git-Url: http://git.mutantstargoat.com?p=lighthouse;a=blobdiff_plain;f=src%2Fmain.cc;h=6456f655d779ec9dbb91236529d0d1ba97a9ded0;hp=669ede3f0a4e0ba1d6fd73b265cd74d9f3940b58;hb=6c00836edaa1bd464acc2ebffa1d299b2ac53f85;hpb=e288b11ca263beae92f508ca53e1500f0ce68377

diff --git a/src/main.cc b/src/main.cc
index 669ede3..6456f65 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -15,6 +15,7 @@
 #define BEAM_RMIN 0.01
 #define BEAM_RMAX 0.125
 #define BEAM_ENERGY 0.02
+#define BEAM_LEN 16.0
 
 static bool init();
 static void cleanup();
@@ -23,6 +24,7 @@ static void faros();
 static void light();
 static void ground();
 static void backdrop();
+static void xlogo();
 
 static void display();
 static void idle();
@@ -34,7 +36,12 @@ static void mmotion(int x, int y);
 static float cam_theta = 45, cam_phi, cam_dist = 10;
 static unsigned int sdr_curve_top, sdr_beam, sdr_sky;
 static unsigned int start_time;
-static float beam_rot_speed = 0.1;
+static float anim_speed = 0.1;
+static unsigned int anim_stop_time;
+static unsigned int tmsec;
+
+static const float sil_color[] = {0.05, 0.02, 0.1, 1.0};
+static const float beam_color[] = {0.5, 0.4, 0.2, 1.0};
 
 int main(int argc, char **argv)
 {
@@ -94,7 +101,7 @@ static void cleanup()
 
 static void faros()
 {
-	glColor3f(0, 0, 0);
+	glColor3fv(sil_color);
 
 	// kormos
 	glPushMatrix();
@@ -171,7 +178,7 @@ static void faros()
 	glScalef(1, 1, 0.45);
 	glutSolidCylinder(1, 1, 4, 16);
 	glPopMatrix();
-	
+
 	bind_program(0);
 }
 
@@ -184,6 +191,7 @@ static void light()
 
 	glTranslatef(0, 4.65, 0.2);
 	bind_program(sdr_beam);
+	set_uniform_float(sdr_beam, "beam_len", BEAM_LEN);
 
 	glEnable(GL_BLEND);
 	glBlendFunc(GL_SRC_ALPHA, GL_ONE);
@@ -191,11 +199,11 @@ static void light()
 	for(int i=0; i<BEAM_SHELLS; i++) {
 		float t = (float)i / (float)(BEAM_SHELLS - 1);
 		float rad = BEAM_RMIN + (BEAM_RMAX - BEAM_RMIN) * t;
-		float alpha = BEAM_ENERGY / t;
+		float alpha = BEAM_ENERGY / (t * t);
 
-		glColor4f(0.8, 0.8, 0.2, alpha);
+		glColor4f(beam_color[0], beam_color[1], beam_color[2], alpha);
 
-		glutSolidCylinder(rad, 6, 10, 1);
+		glutSolidCylinder(rad, BEAM_LEN, 12, 1);
 	}
 
 	bind_program(0);
@@ -212,7 +220,7 @@ static void ground()
 	glTranslatef(0, -1.25, 0);
 	glScalef(1, 0.1, 1);
 
-	glColor3f(0, 0, 0);
+	glColor3fv(sil_color);
 	glutSolidSphere(10, 32, 32);
 
 	glPopMatrix();
@@ -229,8 +237,14 @@ static void backdrop()
 
 static void display()
 {
-	unsigned int tmsec = glutGet(GLUT_ELAPSED_TIME) - start_time;
+	if(anim_stop_time > 0) {
+		tmsec = anim_stop_time - start_time;
+	} else {
+		tmsec = glutGet(GLUT_ELAPSED_TIME) - start_time;
+	}
+
 	float tsec = (float)tmsec / 1000.0;
+	float tanim = tsec * anim_speed;
 
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 	backdrop();
@@ -247,7 +261,7 @@ static void display()
 
 	glPushMatrix();
 
-	float beam_angle = tsec * beam_rot_speed * 360;
+	float beam_angle = tanim * 360;
 
 	glRotatef(beam_angle, 0, 1, 0);
 	light();
@@ -272,11 +286,35 @@ static void reshape(int x, int y)
 	gluPerspective(50, (float)x / (float)y, 0.5, 500);
 }
 
+static unsigned int calc_timeshift(float prev_speed, float speed)
+{
+	return tmsec * speed - tmsec * prev_speed;
+}
+
 static void keyboard(unsigned char c, int x, int y)
 {
 	switch(c) {
 	case 27:
 		exit(0);
+	case ' ':
+		if(anim_stop_time > 0) {
+			start_time += glutGet(GLUT_ELAPSED_TIME) - anim_stop_time;
+			anim_stop_time = 0;
+		} else {
+			anim_stop_time = glutGet(GLUT_ELAPSED_TIME);
+		}
+		break;
+	case '=':
+		//printf("prin %u\n", glutGet(GLUT_ELAPSED_TIME) - start_time);
+		//start_time += calc_timeshift(anim_speed, anim_speed + 0.1);
+		anim_speed += 0.1;
+		break;
+	case '-':
+		//start_time += calc_timeshift(anim_speed, anim_speed - 0.1);
+		anim_speed -= 0.1;
+		if(anim_speed < 0)
+			anim_speed = 0;
+		break;
 	default:
 		break;
 	}