From f0d866e2ad137b339eae91c49ce22630f3a9adf9 Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Sat, 3 Jul 2010 22:35:59 -0600 Subject: New dmnsn_radians() and dmnsn_degrees() conversion functions. --- dimension/realize.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) (limited to 'dimension/realize.c') diff --git a/dimension/realize.c b/dimension/realize.c index 563327c..967c5db 100644 --- a/dimension/realize.c +++ b/dimension/realize.c @@ -142,13 +142,11 @@ dmnsn_realize_rotation(dmnsn_astnode astnode) { dmnsn_assert(astnode.type == DMNSN_AST_ROTATION, "Expected a rotation."); - const double deg2rad = atan(1.0)/45.0; - dmnsn_astnode angle_node; dmnsn_array_get(astnode.children, 0, &angle_node); dmnsn_vector angle = dmnsn_vector_mul( - deg2rad, + dmnsn_radians(1.0), dmnsn_realize_vector(angle_node) ); @@ -266,8 +264,6 @@ dmnsn_realize_camera(dmnsn_astnode astnode) { dmnsn_assert(astnode.type == DMNSN_AST_CAMERA, "Expected a camera."); - const double deg2rad = atan(1.0)/45.0; - dmnsn_astnode_type camera_type = DMNSN_AST_PERSPECTIVE; dmnsn_vector location = dmnsn_new_vector(0.0, 0.0, 0.0); dmnsn_vector direction = dmnsn_new_vector(0.0, 0.0, 1.0); @@ -363,7 +359,7 @@ dmnsn_realize_camera(dmnsn_astnode astnode) case DMNSN_AST_ANGLE: { dmnsn_array_get(item->children, 0, &child); - double angle = deg2rad*dmnsn_realize_float(child); + double angle = dmnsn_radians(dmnsn_realize_float(child)); direction = dmnsn_vector_mul( 0.5*dmnsn_vector_norm(right)/tan(angle/2.0), dmnsn_vector_normalize(direction) -- cgit v1.2.3