draw function, axes
This commit is contained in:
Frank DeMarco
parent
fdded8701b
commit
32859baec4
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@ -127,11 +127,12 @@ class Configuration(RawConfigParser):
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set_option(section, "sfx-path", "aud/fx/")
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section = "interpolator-gui"
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add_section(section)
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set_option(section, "margin", "40")
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set_option(section, "margin", "80")
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set_option(section, "marker-color", "255, 0, 0")
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set_option(section, "marker-size", "8")
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set_option(section, "curve-color", "0, 255, 0")
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set_option(section, "label-size", "18")
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set_option(section, "label-size", "16")
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set_option(section, "axis-label-count", "8")
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def read_project_config_file(self):
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path = self.locate_project_config_file()
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@ -350,7 +351,8 @@ class TypeDeclarations(dict):
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"event": {"int": "command-id-offset"},
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"interpolator-gui": {"int": ["margin", "marker-size", "label-size"],
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"interpolator-gui": {"int": ["margin", "marker-size", "label-size",
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"axis-label-count"],
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"int-list": ["marker-color", "curve-color"]},
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@ -1,5 +1,6 @@
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from pygame import Surface
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from pygame.font import Font
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from pygame.draw import aaline
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from pygame.locals import *
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from GameChild import GameChild
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@ -157,6 +158,7 @@ class GUI(GameChild):
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self.delegate = self.get_delegate()
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self.load_configuration()
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self.set_background()
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self.set_plot_rect()
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self.active = False
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self.font = Font(None, self.label_size)
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self.set_nodeset_index()
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@ -167,12 +169,20 @@ class GUI(GameChild):
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def load_configuration(self):
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config = self.get_configuration("interpolator-gui")
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self.label_size = config["label-size"]
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self.axis_label_count = config["axis-label-count"]
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self.margin = config["margin"]
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self.curve_color = config["curve-color"]
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def set_background(self):
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surface = Surface(self.display_surface.get_size())
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surface.fill((0, 0, 0))
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self.background = surface
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def set_plot_rect(self):
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margin = self.margin
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self.plot_rect = self.display_surface.get_rect().inflate(-margin,
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-margin)
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def set_nodeset_index(self, increment=None):
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parent = self.parent
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if not increment:
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@ -186,15 +196,36 @@ class GUI(GameChild):
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index = limit
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self.nodeset_index = index
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self.set_nodeset_label()
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self.draw()
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self.set_axis_labels()
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def set_nodeset_label(self):
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surface = self.font.render(self.get_nodeset().name, False, (0, 0, 0),
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surface = self.font.render(self.get_nodeset().name, True, (0, 0, 0),
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(255, 255, 255))
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rect = surface.get_rect()
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rect.bottomright = self.display_surface.get_rect().bottomright
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self.nodeset_label, self.nodeset_label_rect = surface, rect
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def set_axis_labels(self):
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nodeset = self.get_nodeset()
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labels = []
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xr, yr = (nodeset[0].x, nodeset[-1].x), (nodeset[0].y, nodeset[-1].y)
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count = self.axis_label_count
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rect = self.plot_rect
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for ii in xrange(count):
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ratio = float(ii) / (count - 1)
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x = "%.3f" % ((xr[1] - xr[0]) * ratio + xr[0])
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xs = self.font.render(x, True, (0, 0, 0), (255, 255, 255))
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xsr = xs.get_rect()
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xsr.midtop = (rect.right - rect.left) * ratio + rect.left, \
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rect.bottom
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y = "%.3f" % ((yr[1] - yr[0]) * ratio + yr[0])
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ys = self.font.render(y, True, (0, 0, 0), (255, 255, 255))
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ysr = ys.get_rect()
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ysr.midright = rect.left, rect.bottom - (rect.bottom - rect.top) * \
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ratio
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labels.append(((xs, xsr), (ys, ysr)))
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self.axis_labels = labels
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def get_nodeset(self):
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return self.parent[self.nodeset_index]
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@ -229,8 +260,16 @@ class GUI(GameChild):
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self.saved_mouse_state = self.display.set_mouse_visibility(True)
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def respond_to_mouse_down(self, event):
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redraw = False
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if self.active:
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self.set_nodeset_index(1)
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nodeset_rect = self.nodeset_label_rect
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if event.button == 1 and nodeset_rect.collidepoint(event.pos):
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self.set_nodeset_index(1)
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redraw = True
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elif event.button == 3 and nodeset_rect.collidepoint(event.pos):
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self.set_nodeset_index(-1)
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redraw = True
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redraw and self.draw()
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def respond_to_mouse_up(self, event):
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pass
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@ -239,3 +278,26 @@ class GUI(GameChild):
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display_surface = self.display_surface
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display_surface.blit(self.background, (0, 0))
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display_surface.blit(self.nodeset_label, self.nodeset_label_rect)
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self.draw_axes()
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self.draw_function()
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def draw_axes(self):
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display_surface = self.display_surface
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for xl, yl in self.axis_labels:
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display_surface.blit(*xl)
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display_surface.blit(*yl)
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def draw_function(self):
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rect = self.plot_rect
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surface = self.display_surface
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nodeset = self.get_nodeset()
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step = 5
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for x in xrange(rect.left, rect.right, step):
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ii = x - rect.left
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fx = nodeset.get_y(float(ii) / (rect.right - rect.left) * \
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(nodeset[-1].x - nodeset[0].x) + nodeset[0].x)
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y = rect.bottom - (rect.bottom - rect.top) * fx / \
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(nodeset[-1].y - nodeset[0].y)
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if ii > 0:
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aaline(surface, self.curve_color, (x - step, last_y), (x, y))
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last_y = y
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