From 53e4d9a56c1f0fe5c5c7a61de3b249cd05e36c46 Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Mon, 23 Mar 2020 19:12:02 +0100
Subject: Renders a cool animation

---
 main.c | 98 ++++++++++++++++++++++++++++++++++++++----------------------------
 1 file changed, 56 insertions(+), 42 deletions(-)

(limited to 'main.c')

diff --git a/main.c b/main.c
index 82b376c..7402c3c 100644
--- a/main.c
+++ b/main.c
@@ -8,12 +8,12 @@
 #include "scene.h"
 #include "pgm.h"
 
-#define TESTW 1000
-#define TESTH 1000
+#define TESTW 512
+#define TESTH 512
 
 #define PERCENTSTEP (TESTH / 100)
 
-#define WORKERS 4
+#define WORKERS 8
 
 void *worker_func(void *arg);
 
@@ -38,15 +38,15 @@ COORD_T ray_rand(void *seed)
 int main()
 {
 	container_init(cont, 5, 4, 1);
-	
+
 	// Init space_t
 	space_t *s = container_prepare_space(cont);;
-	
+
 	// Set space options
 	color_set(&s->ambient, 0.09, 0.09, 0.09);
 	color_set(&s->back, 0.8, 0.8, 0.8);
 	color_set(&s->env_color, 0.13, 0.13, 0.13);
-	s->env_samples = 16;
+	s->env_samples = 256;
 
 	// Set viewpoint options
 	vector_set(&s->view.position, 0, 16, 6);
@@ -83,8 +83,6 @@ int main()
 	mpl->shine = 50;
 	mpl->reflective = 0.0;
 
-	viewpoint_init(&s->view);
-	
 	object_t *o = add_object(cont, TYPE_SPHERE);
 	vector_set(&o->sph.center, 0, 4, 7);
 	o->sph.radius = 5;
@@ -114,51 +112,67 @@ int main()
 	vector_set(&l->pos, 20, 10, 30);
 	color_set(&l->defuse, 0.3, 0.3, 0.3);
 	color_set(&l->specular, 0.5, 0.5, 0.5);
+	color_t *image = malloc( sizeof(color_t) * TESTW * TESTH);
 
-	pgm_write_header(stdout, TESTW, TESTH);
+	char filename[20];
+	COORD_T r = 16;
+	for (int angle = 0; angle < 360; angle += 4) {
+		COORD_T rad = (COORD_T)angle * (3.14159265 / 180);
+		// Calculate x and y for camera
+		vector_set(&s->view.position, r * cos( rad ), r * sin( rad ), 6);
+		printf("rad: %lf, x: %lf, y: %lf\n", rad, s->view.position.x, s->view.position.y);
+		viewpoint_init(&s->view);
 
-	// Create image array. Not as memory efficient but much simpler when multiprocessing
-	color_t *image = malloc( sizeof(color_t) * TESTW * TESTH);
-	if (!image) {
-		fprintf(stderr, "Could not allocate image array");	
-		exit(1);
-	}
+		
 
-	if (pthread_mutex_init(&percentlock, NULL)) {
-		fprintf(stderr, "Could not percent lock\n");
-		exit(1);
-	}
+		sprintf(filename, "img%d.ppm", angle);
+		FILE *file = fopen(filename, "w");
+		pgm_write_header(file, TESTW, TESTH);
 
-	// Hire the workers
-	pthread_t workers[WORKERS];
-	for (int i = 0; i < WORKERS; i++) {
-		office_t *office = malloc(sizeof(office_t));
-		office->id = i;
-		office->image = image;
-
-		// Start them and show them their office(chunk in the array in this case :-D)
-		int rc = pthread_create(&workers[i], NULL, worker_func, office);
-		if (rc) {
-			fprintf(stderr, "Could not create worker %d\nsorry\n", i);
+		// Create image array. Not as memory efficient but much simpler when multiprocessing
+		if (!image) {
+			fprintf(stderr, "Could not allocate image array");	
 			exit(1);
 		}
-	}
 
-	// Wait for the threads to finish and print as we go
-	for (int i = 0; i < WORKERS; i++) {
-		pthread_join(workers[i], NULL);
-		
-	}
+		if (pthread_mutex_init(&percentlock, NULL)) {
+			fprintf(stderr, "Could not percent lock\n");
+			exit(1);
+		}
 
-	// Print the stuff the worker was responsable for.
-	for (int y = 0; y < TESTH; y++) {
-		for(int x = 0; x < TESTW; x++) {
-			pgm_write_pixel(stdout, &image[ y  * TESTW + x]);
+		// Hire the workers
+		pthread_t workers[WORKERS];
+		for (int i = 0; i < WORKERS; i++) {
+			office_t *office = malloc(sizeof(office_t));
+			office->id = i;
+			office->image = image;
+
+			// Start them and show them their office(chunk in the array in this case :-D)
+			int rc = pthread_create(&workers[i], NULL, worker_func, office);
+			if (rc) {
+				fprintf(stderr, "Could not create worker %d\nsorry\n", i);
+				exit(1);
+			}
 		}
+
+		// Wait for the threads to finish and print as we go
+		for (int i = 0; i < WORKERS; i++) {
+			pthread_join(workers[i], NULL);
+
+		}
+
+		// Print the stuff the worker was responsable for.
+		for (int y = 0; y < TESTH; y++) {
+			for(int x = 0; x < TESTW; x++) {
+				pgm_write_pixel(file, &image[ y  * TESTW + x]);
+			}
+		}
+		fflush(file);
+		fclose(file);
 	}
 
 	free(image);
-	
+
 }
 
 void *worker_func(void *arg) {
@@ -180,7 +194,7 @@ void *worker_func(void *arg) {
 		if (y % PERCENTSTEP == 0) {
 			// Unlock the thingy
 			pthread_mutex_lock(&percentlock);	
-			fprintf(stderr, "%d%\n", percent++);
+			//fprintf(stderr, "%d%\n", percent++);
 			pthread_mutex_unlock(&percentlock);	
 		}
 	}
-- 
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