def on_mouse_motion(x, y, dx, dy):
global xoffset, yoffset
global scale_factor
if not lock_position and not zooming:
xoffset -= dx/mouse_sensitivity
yoffset -= dy/mouse_sensitivity
elif zooming:
scale_factor *= math.exp(0.01*vec2.inner( (dx, dy), (1.0, 0.0)))
check_hover()
def on_mouse_drag(x, y, dx, dy, buttons, modifiers):
global xoffset, yoffset
global drag_entity
if not zooming:
dx /= mouse_sensitivity
dy /= mouse_sensitivity
xoffset -= dx
yoffset -= dy
check_hover()
if drag_entity:
# transformation
if not zooming:
drag_entity.move(dx, dy)
elif zooming:
factor = math.exp(0.01* vec2.inner ((dx, dy), (1.0, 0.0)) )
drag_entity.scale_around_center(factor, -xoffset, -yoffset)
#adjust opacity
if drag_entity.being_created:
diff = vec2.abs(vec2.sub( (xoffset, yoffset), (start_drag_x, start_drag_y)))
drag_entity.scale = 100/scale_factor #TODO: move that into creation
opacity = abs(diff/drag_entity.scale)
if opacity >= 1.0:
drag_entity.opacity = 1.0
drag_entity.being_created = False
else:
drag_entity.opacity = opacity
# collision detection
for entity in entities:
if entity != drag_entity:
xdiff = abs(entity.x-drag_entity.x)
ydiff = abs(entity.y-drag_entity.y)
min_x_diff = (entity.scale+drag_entity.scale)/2
min_y_diff = (entity.scale+drag_entity.scale)/3
if xdiff < min_x_diff and ydiff < min_y_diff:
if entity.colliding == False:
entity.colliding = True
drag_entity.delete_on_release += 1
else:
if entity.colliding == True:
entity.colliding = False
drag_entity.delete_on_release -= 1
if hover_entity:
def drag_over_id(id, rel_x, scale):
id.temp_value = None
id.temp_share_binder = None
id.temp_apply = None
if rel_x < 0:
#apply?
id.temp_apply = True
else:
if not (drag_entity.id.is_ancestor_of(hover_entity.id) or drag_entity.id == hover_entity.id):
if id.value:
drag_over_id(id.value, rel_x-scale/4, scale/2)
else:
id.temp_value = drag_entity.id #reset is also in check_hover
if rel_x < scale/4 and id.binds_id == None:
id.temp_share_binder = True
else:
id.temp_share_binder = False
assert hover_entity.colliding == True # mouse cursor should not be able to be outside of drag_entity
drag_over_id(hover_entity.id, -xoffset-hover_entity.x, scale=hover_entity.scale)
def draw_thick_cubic_bezier(points, width, color):
t = 0.0
curve_points = []
while t <= 1.0:
x = points[0][0] * t * t * t + 3 * points[1][0] * t * t * (
1 - t) + 3 * points[2][0] * t * (1 - t) * (
1 - t) + points[3][0] * (1 - t) * (1 - t) * (1 - t)
y = points[0][1] * t * t * t + 3 * points[1][1] * t * t * (
1 - t) + 3 * points[2][1] * t * (1 - t) * (
1 - t) + points[3][1] * (1 - t) * (1 - t) * (1 - t)
curve_points.append((x, y))
t += 0.01
outer_points = []
outer_tex_coords = []
inner_points = []
inner_tex_coords = []
ortho_vector = vec2.norm(
vec2.sub(curve_points[1], curve_points[0])
) #todo SOLVED: What happens when two points are in the same spot? Two points never will be in the same spot, thanks to the direction always being added onto the endpoint.
ortho_vector[0], ortho_vector[1] = -1 * ortho_vector[1], ortho_vector[0]
ortho_vector = vec2.mul(ortho_vector, width)
inner_points.append(vec2.sub(curve_points[0], ortho_vector))
outer_points.append(vec2.add(curve_points[0], ortho_vector))
diff = vec2.sub(inner_points[-1], vec2.vecint(inner_points[-1]))
projected_diff = -vec2.inner(ortho_vector, diff) / vec2.abs(ortho_vector)
inner_tex_coords.extend([0.0, 1.0 - projected_diff / width / 2, 0.0])
diff = vec2.sub(outer_points[-1], vec2.vecint(outer_points[-1]))
projected_diff = -vec2.inner(ortho_vector, diff) / vec2.abs(ortho_vector)
outer_tex_coords.extend([0.0, (1 - projected_diff) / width / 2, 0.0])
r = 1.0
for i in range(1, len(curve_points) - 1):
ortho_vector = vec2.norm(
vec2.sub(curve_points[i + 1], curve_points[i - 1]))
ortho_vector[0], ortho_vector[1] = -1 * ortho_vector[1], ortho_vector[
0]
ortho_vector = vec2.mul(ortho_vector, width)
inner_points.append(vec2.sub(curve_points[i], ortho_vector))
outer_points.append(vec2.add(curve_points[i], ortho_vector))
diff = vec2.sub(inner_points[-1], vec2.vecint(inner_points[-1]))
projected_diff = -vec2.inner(ortho_vector,
diff) / vec2.abs(ortho_vector)
inner_tex_coords.extend([r, 1.0 - projected_diff / width / 2, 0.0])
diff = vec2.sub(outer_points[-1], vec2.vecint(outer_points[-1]))
projected_diff = -vec2.inner(ortho_vector,
diff) / vec2.abs(ortho_vector)
outer_tex_coords.extend([r, (1 - projected_diff) / width / 2, 0.0])
r = -r + 1 #make r alternate between 0 and 1
ortho_vector = vec2.norm(vec2.sub(curve_points[-1], curve_points[-2]))
ortho_vector[0], ortho_vector[1] = -1 * ortho_vector[1], ortho_vector[0]
ortho_vector = vec2.mul(ortho_vector, width)
inner_points.append(vec2.sub(curve_points[-1], ortho_vector))
outer_points.append(vec2.add(curve_points[-1], ortho_vector))
diff = vec2.sub(inner_points[-1], vec2.vecint(inner_points[-1]))
projected_diff = -vec2.inner(ortho_vector, diff) / vec2.abs(ortho_vector)
inner_tex_coords.extend([r, 1.0 - projected_diff / width / 2, 0.0])
diff = vec2.sub(outer_points[-1], vec2.vecint(outer_points[-1]))
projected_diff = -vec2.inner(ortho_vector, diff) / vec2.abs(ortho_vector)
outer_tex_coords.extend([r, (1 - projected_diff) / width / 2, 0.0])
all_points = []
tex_coords = []
tex_coords.extend(inner_tex_coords)
tex_coords.extend(outer_tex_coords)
for point in inner_points:
x = int(point[0])
y = int(point[1])
#diff = vec2.abs((x-point[0], y-point[1]))
#if bit == True:
# tex_coords.extend([0.0, 1.0-diff/a, 0.0])
#else:
# tex_coords.extend([1.0, 1.0-diff/a, 0.0])
#bit ^= True
all_points.extend([x, y])
for point in outer_points:
x = int(point[0])
y = int(point[1])
#if bit == True:
# tex_coords.extend([0.0, (1-diff)/a, 0.0])
#else:
# tex_coords.extend([1.0, (1-diff)/a, 0.0])
#bit ^= True
all_points.extend(point)
all_points = [int(p) for p in all_points]
all_points = tuple(all_points)
indices = []
l = len(inner_points)
for i in range(l - 1):
indices.append(i)
indices.append(i + 1)
indices.append(i + l)
indices.append(i + 1)
indices.append(i + 1 + l)
indices.append(i + l)
glEnable(gradtex.target)
glBindTexture(gradtex.target, gradtex.id)
pyglet.graphics.draw_indexed(
len(all_points) / 2, pyglet.gl.GL_TRIANGLES, indices,
('v2i', all_points), ('t3f', tuple(tex_coords))
#('c4f', color*(len(all_points)/2))
)
